A particular DSL modem operates at 768 kbits/sec. How many bytes can it receive in 1 minute? USB 3.0 can send data at 5 Gbits/sec. How many bytes can it send in 1 minute?
Answers
Answer:
a. 1.6 Kbytes/min
b. 10.417 Mbytes/min
Explanation:
a. The DSL modem operates at 768 Kbits/sec.
But,
8 bits = 1 byte and 1 Kbit = 1 000 bits, so that:
= \(\frac{768 000}{8}\)
= 96 000 bytes
Therefore, the modem operates at 96 Kbytes/sec.
The byte to be received in 1 minute can be calculated thus;
Since 60 seconds = 1 minute, then:
= \(\frac{96000}{60}\)
= 1600
= 1.6 Kbytes/min
The modem receives 1.6 Kbytes/min
b. The USB sends 5 Gbits/sec.
But, 8 bits = 1 byte and 1 Gbit = 1000000000 bits so that:
= \(\frac{5000000000}{8}\)
= 625000000
= 0.625 Gbytes
The USB sends 0.625 Gbyte/sec.
Since 60 seconds = 1 minute, then:
= \(\frac{625000000}{60}\)
= 10416666.67
= 10.417 Mbytes/min
Related Questions
A rope is wrapped three and a half times around a cylinder. Determine the range of force T exerted on
the free end of the rope for maintaining equilibrium that is required to just support a 5 kN weight. The
coefficient of friction between the rope and the cylinder is 0.2
Answers
The range of force exerted at the end of the rope is; 285.7 N to 1,000 N.
What is the Net horizontal force?The net horizontal force of the cylinder when it is at equilibrium position can be found by applying Newton's second law of motion. Thus;
∑F = 0
F - μF_n = 0
We are given;
F_n = 5 kN = 5000 N
μ = 0.2
Thus;
F - 0.2(5,000) = 0
F - 1,000 = 0
F = 1,000 N
The strength of the applied force will be increasing as the number of turns of the rope increases. Thus;
Minimum force = Total force/number of turns of rope
Since rope is wrapped three and half times, then;
number of turns = 3.5
Thus;
minimum force = 1,000/3.5
minimum force = 285.7 N
Thus, the range of force exerted at the end of the rope is 285.7 N to 1,000 N.
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20. A spur gear pinion and gear shown on a drawing have a diametral pitch of 12. The pitch radius of the pinion is 1.500 inches and the gear ratio is
specified to be 1:3. On the print, you would expect the pitch diameter of the gear to be
OA. 9.00 inches.
Answers
On the print you would expect the pitch diameter of the gear to be 9.00 inches. Option A is right.
How to solve for the diameterGear ratio = 1/3
This is solved as number of teeth on pinion / teeth on gear
= Np/Ng
The pitch diameter = 1.5 x 2
= 3
Diametral pitch = 12
NP = 3 x 12 = 36
This is the teeth on piston
Ng = 3NP
Ng = 3 * 36
= 108
Hence pitch diameter = 108/12 = 9
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Write an algorithm and flowchart that accepts two integers from the user and calculatethe product of the two integers.
Answers
Answer:
Algorithm
Step 1: Start
Step 2: Ask user to input two integers x and y
Step 3: Calculate the product of the two integers (product = x*y)
Step 4: Print the product
Step 5: End
Flowchart
[Start]
→ [Prompt User for x and y]
→ [Calculate product = x*y]
→ [Print product]
→ [End]
Step 1 - Start
Step 2 - Ask the user to input two integer eg: p and q
Step 3 - Calculate product of the integers (the integers are p and q)
Step 4 - Print the product
Step 5 - End
Cooling water for a chemical plant must be pumped from a river 2500 ft from the plant site. Preliminary design cans for a flow of 600 gal/min and 6-in. Steel pipe. Calculate the pressure drop and the annual pumping cost if power cost 3 cents per kilowatt-hour. Would the use of an 8-in. Pipe reduce the power cost enough to offset the increased pipe cost? Use $15/ft of length for the installed cost of 6-in. Pipe and $20/ft for 8-in. Pipe. Annual charges are 20 percent of the installed cost.
Answers
Answer:
The power cost savings for the 8 inches pipe offsets the increased cost for the pipe therefore to save costs the 8-inch pipe should be used
Explanation:
The given parameters in the question are;
The distance of the river from the the site, d = 2,500 ft.
The planned flow rate = 600 gal/min
The diameter of the pipe, d = 6-in.
The pipe material = Steel
The cost of pumping = 3 cents per kilowatt-hour
The Bernoulli's equation is presented as follows;
\(\dfrac{P_a}{\rho} + g\cdot Z_a + \dfrac{V^2_a}{2} + \eta\cdot W_p = \dfrac{P_b}{\rho} + g\cdot Z_b + \dfrac{V^2_b}{2} +h_f +W_m\)
\({P_a} = {P_b} = Atmospheric \ pressure\)
\(Z_a = Z_b\)
Vₐ - 0 m/s (The river is taken as an infinite source)
\(W_m\) = 0
The head loss in 6 inches steel pipe of at flow rate of 600 gal/min = 1.19 psi/100 ft
Therefore; \(h_f\) = 1.19 × 2500/100 = 29.75 psi
\(\eta\cdot W_p = \dfrac{V^2_b}{2} +h_f\)
\(V_b\) = Q/\(A_b\) = 600 gal/min/(π·(6 in.)²/4) = 6.80829479 ft./s
\(V_b\) ≈ 6.81 ft./s
The pressure of the pump = P = 62.4 lb/ft³× (6.81 ft./s)²/2 + 29.75 psi ≈ 30.06 psi
The power of the pump = Q·P ≈ 30.06 psi × 600 gal/min = 7,845.50835 W
The power consumed per hour = 7,845.50835 × 60 × 60 W
The cost = 28,243.8301 kW × 3 = $847.31 per hour
Annual cost = $847.31 × 8766 = $7,427,519.46
Pipe cost = $15/ft × 2,500 ft = $37,500
Annual charges = 20% × Installed cost = 0.2 × $37,500 = $7,500
Total cost = $37,500 + $7,500 + $7,427,519.46 = $7,475,519.46
For the 8-in pipe, we have;
\(V_b\) = Q/\(A_b\) = 600 gal/min/(π·(8 in.)²/4) = 3.83 ft./s
\(h_f\) = 1.17 ft/100 feet
Total head loss = (2,500 ft/100 ft) × 1.17 ft. = 29.25 ft.
\(h_p = \dfrac{V^2_b}{2 \cdot g} +h_f\)
∴ \(h_p\) = (3.83 ft./s)²/(2 × 32.1740 ft/s²) + 29.25 ft. ≈ 29.5 ft.
The power of the pump = ρ·g·h × Q
Power of pump = 62.4 lb/ft³ × 32.1740 ft/s² × 29.5 ft.× 600 gal/min = 3,363.8047 W
The cost power consumed per annum = 3,363.8047 W × 60 × 60 × 3 × 8766 = $3,184,608.1
The Cost of the pipe = $20/ft × 2,500 ft. = $50,000
The total cost plus charges = $3,184,608.1 + $50,000 + $10,000 = $3,244,608.1
Therefore it is more affordable to use the 8-in pipe which provides substantial savings in power costs
Suppose a manager of a certain mining company wants to determine the weekly food expenditure of the company’s employees. if there are 2,549 employees and the manager decided to use only 500 employees as a sample, who will be included in the sample? to help the manager make his decision, suggest a sampling technique to be used and state the whole process of selecting the participants
Answers
The sampling technique that can be used to selecting the participants will be a random sampling.
What is sampling?It should be noted that sampling simply a method in statistical analysis that predetermined observations are taken from the population.
In this case, the sampling technique that can be used to selecting the participants will be a random sampling. This is need to give everyone an equal chance of being selected.
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Margaret consumes two goods: wine and caviar. She has well-behaved preferences and her budget is iniatially $2000. The price of a bottle of wine is $130, and the price of the ounce of caviar is $150. Now suppose Margaret's budget increase to $3000. Does her consumption of caviar increase
Answers
To determine whether Margaret's consumption of caviar increases when her budget increases to $3000, we need to consider her preferences and the prices of wine and caviar.
Yes, Margaret's consumption of caviar may increase with the increase in her budget from $2000 to $3000.To determine the exact impact on her consumption, we need to consider the relative prices of the two goods and Margaret's preferences. If the price of caviar remains constant at $150 per ounce while her budget increases, she now has more income available to allocate towards caviar. If caviar is a normal good for Margaret (meaning she consumes more of it as her income increases), then it is likely that she will choose to increase her consumption of caviar with the higher budget. However, if caviar is an inferior good for Margaret (meaning she consumes less of it as her income increases), her consumption of caviar may not necessarily increase despite the higher budget.
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When an object is made of the plastic polyester (PET), it uses antimony as a catalyst. After production, antimony can leach into food and drink stored in PET containers. Usually, if stored correctly for a short amount of time, the amount of antimony found in liquids is well below the safety limits. However, there have been reports of as much as 44.7 micrograms per liter [µg/L] of antimony found in fruit juice concentrates. How much antimony, in units of moles [mol], could be found in one gallon [gal] of fruit juice concentrate at this level of contamination? The molecular mass of antimony is 121.76 grams per mole [g/mol].
Answers
Answer:
1.39 µmol
Explanation:
(1 gal) × (44.7 µg/L)/(121.76 g/mol)(3.785411784 L/gal) = 1.39 µmol
The Camot Cycle (established by Sadi Camot), a traditional application of the theory and calculated results examined in Prob. 1−3, represents the idealized operation of a heat engine. Several key thermodynamic concepts involving cyclical processes resulied from Carnot's description. In step 1 , an ideal gas undergoes a reversible isothermal expansion from V
a
to V
b
when placed in contact with a high tempenture heat source (T
h
). Then in Step II, after contact is broken between the gas and the hot reservoir, the gas undergoes a reversible adiabatic expansion to volume, V
c
, where the temperature is T
a
the temperature of a second heat reservoir. The gas now undergoes a reversible isothermal compression of the gas (step III) from V
e
to V
s
. Lastly, to complete the eycle, in step IV the gas undergoes a reversible adiabatic compression from V
d
back to V
8
following removal of the gas from contact with the cold reservoir. The maximum efficiency of the Camot heat engine can be expressed a efficiency =1−
T
h
T
c
=
T
h
T
h
−T
c
The work done during the cyele can be computed from the realization of the intemal energy change necessarily must be zeto for the cyele since the system returned to the initial state at temperature of T upon completion of the cycle ΔE=q1+q2−w and w=q1+q2 where q1 is the heat input along isotherm a→b and q2 is heat output along isotherm →d. The heat for an isothermal volume expansion (or compression) is calculated as q1=nRTln(
v
z
v
b
) and q2=nRTdn(
v
c
v
d
) The work done during the cycle can be shown to be W=nR[T
h
−T
d
](
V
a
v
b
) a) A Carnot engine which uses 0.20 mole of gas operates between heat baths with temperature of T
B
=300
∘
C and T
c
=100
∘
C. If the expansion ratio along the high temperature isotherm is 10.0 (20.0L to 2.0 L), computed the efficiency of the engine and the work output during each cycle. b) at what temperature of the cold reservoir, T
c
, is the maximum efficiency realized by the heat engine? Explain how Kelvin utilized a rearranged form of the efficiency equation to establish the Kelvin temperature scale, i.e. T
c
=(1 - efficiency )⋅T
h
Is this temperature feasible? Does the temperature of the cold reservoir makes sense for how the engine can derive the maximum efficiency? c) The temperature of the cold reservoir is determined during the reversible adiabatic expansion of the gas? Where does the energy come from to perform the expansion if the process is done without any heat flow from the surroundings?
Answers
The paragraph focuses on explaining the Carnot Cycle, efficiency calculations, and the utilization of the efficiency equation in establishing the Kelvin temperature scale, while also discussing the energy source for the reversible adiabatic expansion in the absence of external heat supply.
What is the main focus of the given paragraph regarding the Carnot Cycle, efficiency calculations, and the utilization of the efficiency equation?The given paragraph discusses the Carnot Cycle and its thermodynamic concepts, efficiency calculations, and the utilization of the efficiency equation to establish the Kelvin temperature scale.
In the Carnot engine scenario described in part a), the efficiency of the engine can be calculated using the formula: efficiency = 1 - (Tc/Th), where Tc is the temperature of the cold reservoir (100°C) and Th is the temperature of the hot reservoir (300°C). The work output during each cycle can also be determined.
In part b), the temperature of the cold reservoir, Tc, at which the maximum efficiency is realized by the heat engine is explored. It is explained how Kelvin utilized a rearranged form of the efficiency equation to establish the Kelvin temperature scale: Tc = (1 - efficiency) * Th. The feasibility of the calculated temperature is discussed in relation to the engine's maximum efficiency.
In part c), it is noted that the temperature of the cold reservoir is determined during the reversible adiabatic expansion of the gas. The energy required for this expansion comes from the internal energy of the system itself, as there is no heat flow from the surroundings. The paragraph raises the question of the energy source for the expansion process without any external heat supply.
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Which of the following is iterative? *
Science
Engineering
Criteria
Infrastructure
Answers
What should you do if the air hose has a leak?
Answers
Answer:
Fix it
Explanation:
Use take or something to secure it and make sure no water comes out of the leak
Answer:
FLEX TAPE BOIZ
Explanation:
The _____ is actually a system-created database whose tables store the user/designer-created database characteristics and contents
Answers
The system catalog is actually a system-created database whose tables store the user/designer-created database characteristics and contents.
Option D is correct.
What is a system based on databases?Software systems called Database Management Systems (DBMS) are used to store, retrieve, and execute queries on data. An end-user can create, read, update, and delete data stored in a database through a DBMS, which acts as an interface.
What are the various types of database systems?A methodical collection of data is called a database. They enable data manipulation and electronic storage. Data management is made simple by databases. Database Management System is abbreviated as DBMS. There are four main types of database management systems (DBMSs): hierarchical, network, relational, and object-
Question incomplete:The _____ is actually a system-created database whose tables store the user/designer-created database characteristics and contents.
a. database tuple
b. systematic database
c. unique index
d. system catalog
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Which of the following conditions evaluates to True when the intDays variable contains the number 5?
a. If intDays = 5 Then
b. If intDays <> 0 Then
c. If intDays > 1 Then
d. all of the above
Answers
The statement that evaluates to True when the `intDays` variable contains the number 5 is `If intDays = 5 Then`.In the given question, we are asked to determine the statement that evaluates to True when
the `int Days` variable contains the number 5.The different statements given are:a. If intDays = 5 Thenb. If intDays <> 0 Thence. If int Days > 1 Thind. all of the aboveOut of these, the only statement that evaluates to True when the `intDays` variable contains the number 5 is `If intDays = 5 Then`.Therefore, the answer to the given question is option a. If intDays = 5 Then.The other options are as follows:b. If intDays <> 0 Then evaluates to True for all values of `intDays`, except 0.c. If intDays > 1 Then evaluates to True for all values of `intDays` greater than 1.d. All of the above does not evaluate to True when `intDays` contains the number 5.
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Which of the following workers are not likely to be paid during an election?
campaign press secretary
volunteer coordinator
poll worker
director of communications
Answers
Answer:
volunteer coordinator
Explanation:
because they are volunteering for that and in most of the cases they do not expect to be paid
List three specific clothing items that should not be worn in a machining setting.
Answers
Answer:
sandals, gloves, necklaces
Explanation:
sandals, gloves, necklaces
Which of these is not a good rule to follow when caring for an injured person at an accident scene?
Answers
When caring for an injured person at an accident scene, it is important to follow certain rules to ensure their safety and wellbeing.
However, not all rules are good to follow, and some may even be harmful. For example, one rule that is not good to follow is to move an injured person without proper training or equipment.
This can cause further injury and even paralysis. It is important to wait for medical professionals to arrive and assess the situation before attempting to move the injured person.
Another rule that is not good to follow is to administer medication without proper knowledge or training. This can lead to adverse reactions and further harm to the injured person.
It is best to leave medication administration to medical professionals. Following these rules will help ensure the safety and wellbeing of the injured person.
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a piston-cylinder device contains superheated steam. during an actual adiabatic process
Answers
A piston cylinder device contains superheated steam. During an actual adiabatic process, the entropy of the steam will always increase.
What is an adiabatic process?An adiabatic process is described as a type of thermodynamic process that occurs without transferring heat or mass between the thermodynamic system and its environment.
The entropy of the steam always increases and because the actual adiabatic process is always irreversible, they are never irreversible. Thus, A piston-cylinder device contains superheated steam.
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#complete question:
A piston cylinder device contains superheated steam. During an actual adiabatic process, the entropy of the steam will __________ (never, sometimes, always) increase
A gold vault has 3 locks with a key for each lock. Key A is owned by the
manager whilst Key B and C are in the custody of the senior bank teller
and the trainee bank teller respectively. In order to open the vault door at
least two people must insert their keys into the assigned locks at the same
time. The trainee bank teller can only open the vault when the bank
manager is present in the opening.
i) Determine the truth table for such a digital locking system (4 marks)
ii) Derive and minimize the SOP expression for the digital locking system
Answers
Answer:
see the attached truth tableOpens = AB + ACExplanation:
i) In the attached truth table, TRUE means the respective key owner is present and their keys are inserted at the same time. The "Opens" column is TRUE when two owners are present, not including the case where the only two owners present are B and C.
__
ii) The second attachment is a Karnaugh map of the truth table. The circled terms are ...
Opens = AB +AC
Anyone got a pc that can run 240 fps? Around like 1,300 dollars that can run 240 fps on fortnite whoever answers and gives me a good pc I will give brainliest
Answers
Answer:
What do u need it for just gaming or for streaming and other things
: Explain why testing can only detect the presence of errors, not their absence?
Answers
Answer:
The goal of the software is to observe the software behavior to meet its requirement expectation. In software engineering, validating software might be harder since client's expectation may be vague or unclear.
Explanation:
According to Ref. 213/91, fire extinguishing equipment can be frozen True or False
Answers
False. Fire extinguishing equipment cannot be frozen according to Ref. 213/91.
According to Ref. 213/91, fire extinguishing equipment cannot be frozen. Fire extinguishers are essential safety devices designed to combat fires effectively. They contain pressurized agents that are specifically formulated to extinguish different types of fires. Freezing temperatures can significantly impair the functionality of fire extinguishers and render them ineffective in emergency situations.
When fire extinguishing equipment freezes, several issues can arise. First, the contents of the extinguisher may expand as they freeze, potentially leading to ruptures or leaks in the container. This can cause the extinguisher to malfunction or become hazardous when used. Second, freezing temperatures can affect the performance of the extinguishing agent itself. Certain agents, such as water-based solutions, can solidify or lose their effectiveness when exposed to extreme cold.
It is crucial to store fire extinguishers in suitable environments that are above freezing temperatures. This ensures that the equipment remains in optimal condition and is ready for immediate use during emergencies. Regular inspections and maintenance are also essential to identify any signs of damage or deterioration that may compromise the functionality of fire extinguishers.
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A horizontal piston/cylinder arrangement is placed in a constant-temperature bath. The piston sides in the cylinder with negligible friction and an external force holds it in place against an initial gas pressure of 14 bar. The initial gas volume is 0.03 m3. The external fore on the piston is reduced gradually and the gas expands isothermally as its volume triples. If the volume of the gas is related to its pressure so that the product PV is constant.
(a) What is the work by the gas in moving the external force?
(b) How much work would be done if the external force were suddenly reduced to half its initial value instead of being gradually
reduced?
Answers
Answer:
\(W=46141.72~J\)
Explanation:
Given:
initial pressure, \(P_1=14~bar=1.4\times10^6~Pa\)
initial volume, \(V_1=0.03~m^3\)
After isothermal expansion:
final volume, \(V_2=3V_1=0.09~m^3\)
a)
We have the work done in isothermal process as:
\(W=P_1.V_1\ln(\frac{V_2}{V_1} )\)
\(W=1.4\times10^6\times 0.03\ln(\frac{0.09}{0.03} )\)
\(W=46141.72~J\) is the work by the gas in moving the external force
b)
When the force on piston is suddenly reduced to half the initial value then the process becomes near to adiabatic.
\(P_1V_1^{\gamma}=P_2V_2^{\gamma}\)
\(14\times 0.03^{1.4}=P_2\times 0.09^{1.4}\)
\(P_2=3~bar\)
Now, using the formula for work done in adiabatic process:
\(W=\frac{P_1V_1-P_2V_2}{\gamma-1}\)
\(W=\frac{1.4\times10^6\times 0.03-3\times10^5\times 0.09}{1.4-1}\)
\(W=3750~J\)
an alphabetic index is not necessary in geographic records storage. T/F
Answers
An alphabetic index can be extremely helpful in geographic records storage, especially when dealing with large volumes of information. The index allows for easy and quick reference to specific locations or geographic features, such as cities, towns, rivers, or mountains. So the given statement is False.
It also helps to organize the information and ensure that no important data is overlooked or lost. Without an alphabetic index, locating specific information in geographic records can be time-consuming and difficult, as one would have to search through all the records manually to find what they are looking for.
Additionally, an alphabetic index can be used to cross-reference different types of information, such as demographic data, environmental data, and economic data, making it a valuable tool for researchers, planners, and policymakers. Therefore, an alphabetic index is a necessary component of effective geographic records storage.
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z. han, r. d. reitz, turbulence modeling of internal combustion engines using rng κ-ε models, combustion science and technology 106 (4-6) (1995) 267–295.
Answers
The citation you provided corresponds to a research paper titled "Turbulence Modeling of Internal Combustion Engines Using RNG κ-ε Models" authored by Z. Han and R. D. Reitz.
The paper was published in the journal Combustion Science and Technology in 1995. The paper addresses the topic of turbulence modeling in the context of internal combustion engines and specifically focuses on the use of RNG κ-ε models. The authors explore the application of these models to improve the understanding and simulation of turbulent flow phenomena in internal combustion engines. The research paper likely presents theoretical and computational approaches, along with their findings and conclusions related to turbulence modeling in the field of internal combustion engines.
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It is okay to speed 7-10 mph over the posted speed limit.
The police cannot write speeding tickets for that.
Answers
Answer:
it is okay depending on how u drive
1 . How are encoders used in the measurement of speed? Explain the encoder with a neat diagram.
Answers
The most common use for encoders is to measure angular or linear distance, but encoders can also be used to perform speed or velocity measurements. In other words, as the encoder rotates faster, the pulse frequency increases at the same rate
In Value Engineering (VE) what does the acronym TIPS stand for
and what is its primary focus?
Answers
TIPS is an acronym in Value Engineering (VE) that stands for Technique, Information, Product, and Schedule.The primary focus of the TIPS approach is to improve the performance of the product or service by using creative and innovative methods to achieve the same results at a lower cost.
It is used to achieve a significant increase in the value of a product or service while lowering its cost. The primary focus of the TIPS approach is to improve the performance of the product or service by using creative and innovacronymative methods to achieve the same results at a lower cost.
Value Engineering (VE) is a systematic approach that is used to improve the value of a product or service. It is a method that is used to optimize the function and cost of a product or service by analyzing its various components and identifying ways to improve its performance while reducing its cost. The goal of value engineering is to achieve the highest possible value for a product or service while minimizing its cost.
TIPS is an acronym that stands for Technique, Information, Product, and Schedule. It is an approach that is used in Value Engineering to improve the performance of a product or service while lowering its cost.
The primary focus of the TIPS approach is to use innovative and creative methods to achieve the same results at a lower cost. By using this approach, a product or service can be optimized to achieve maximum value while minimizing its cost.
TIPS is used in Value Engineering to:Identify techniques that can be used to improve the performance of a product or serviceIdentify information that is needed to improve the performance of a product or serviceIdentify ways to optimize the product or service to improve its value while reducing its costIdentify ways to schedule the work to achieve the best possible results in the shortest possible time.
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a list of ranges contains the start and end values continuous ranges of integers. for example, [1,4] denotes all integers in the range from 1 to 4, or [1,2,3,4]. Divide the ranges into 2 groups such that any 2 ranges that have at least one common integer belong to the same group. given the list of ranges, find the no. of ways to distribute these ranges into 2 groups that satisfy the constraint and each group has at least one range. since the answer can be large, compute it modulo (10^9 + 7).
Example
Consider ranges = [[1,5], [3,8], [10,15], [13,14], [20,100]].
* [1,5] and [3,8] must belong to the same group since they have common integers 3,4 and 5.
* [10,15] and [13,14] must belong to the same group since they have common integers 13 and 14.
* All the other ranges can be distributed independently since they do not overlap.
Answers
Answer: Can not help
Explanation:
2.2.2 Make a list of the electronic components that could be used in making this product (energy saving switch).
Answers
The electronic components that could be used in making of energy saving switch are:
Transistors semiconductor devices CapacitorsCoils (inductors) Which electronic component is used as a switch?Transistors as well as other kinds of semiconductor devices are known to be tools or element that can be used in the making of switches. In its use or applications.
Note that the base or gate of a transistor, based on the kind of transistor that is known to be in use, and it is one that is often employed as a form of control element to be able to switch on as well as switch off the current that often exist between the emitter as well as the collector or the source and that of the drain.
Note also that the electronic components that are able to store energy in regards to electronic devices, are known to be capacitors and coils (inductors) and they often play a key function of temporarily saving energy. One key role of a capacitor is to save an electric charge.
Therefore, The electronic components that could be used in making of energy saving switch are:
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What describes what happens when a neuron sends a signal?
Answers
When a neuron sends a signal, they create electrical events called actions potentials and chemical neurotransmitters.
Basically, a neuron is a fundamental units of the brain and nervous system. They are nerve cells responsible for: receiving sensory input from the external world, sending motor commands to the muscles, and for transforming and relaying electrical signals.
Being that neurons also communicates, they do so using electricals and chemicals means. So one neuron can communicate to the other via electrical events which are action potentials and chemical neurotransmitters.
An action potential causes one neuron to release chemical neurotransmitter which will help or hinder the other neuron from firing its own action potential.
In summary, neurons are essentially electrical devices having action potentials and chemical neurotransmitters as the fundamental units of sending signals or communicating with other neurons.
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g Three unequal point masses are attached to a vertical shaft with light rods. Two masses, m and 3m, are at a distance a from the shaft. The third mass, 2m, is at a distance 2a from the shaft. The three masses and the shaft rotate as a single unit about the vertical axis through the shaft. What is the moment of inertia of this system about the vertical axis
Answers
Answer:
12ma²
Explanation:
The moment of inertia I = ∑mr² where m = mass and r = distance from shaft
Since we have three masses,
So, I = m₁r₁² + m₂r₂² + m₃r₃² where m₁ = first mass = m, m₂ = second mass = 3m and m₃ = third mass = 2m. Also, r₁ = distance of first mass from shaft = a, r₂ = distance of second mass from shaft = a and r₃ = distance of third mass from shaft = 2a.
I = m₁r₁² + m₂r₂² + m₃r₃²
I = ma² + 3ma² + 2m(2a)²
I = ma² + 3ma² + 2m(4a²)
I = ma² + 3ma² + 8ma²
I = 12ma²