What angular acceleration would you expect from a rotating object with rotational inertia of 0.0655 kg.m² that was subjected to a net torque of 4.25 N·m? 2) If gravity is used to produce a torque applied to a rotating platform, do you expect the angular acceleration to be constant? Why or why not? 3) Would frictional errors affect this lab more or less if you had used a rotating system with a much larger rotational inertia? Explain your answer?

Coulomb's law is a fundamental principle in electrostatics that describes the interaction between charged objects. This relationship can be described mathematically as: F=k(q1q2)/d^2, where k is a constant of proportionality, q1 and q2 are the magnitudes of the charges, and d is the distance between the charges.

It states that the force between two point charges is proportional to the magnitude of each charge and inversely proportional to the square of the distance between them.

Test charges are used to determine the magnitude and direction of the force acting on a charged object. They are chosen to be small enough that their presence does not significantly alter the original charges, so that Coulomb's law can be accurately applied to the system. By carefully measuring the force acting on the test charges, the magnitude of the original charges can be determined. This is known as the method of test charges and is an important tool in understanding the behavior of charged objects and their interactions with each other.

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The amplitude of the function is 5/2Period. The phase shift is Phase shift is π/2Midline and the midline of the given function f(x) is Midline = 2Using the trig function sin(x), the equation for the graph of f(x) can be written as:f(x) = (5/2) sin (x - π/2) + 2

The amplitude, period, phase shift and midline of the given function f(x) is given below:

The given sinusoidal function oscillates between -5 and 5, which is a distance of 5 from the center line.

The amplitude is half of the distance between the minimum and maximum values, which is 5/2.

Hence the amplitude of the function is = 5/2Period:

The distance between the peaks on the graph of the given sinusoidal function is 4.

Hence the period of the function is Period = 4Phase shift:

The standard position of the graph of sin(x) is y = sin(x) where the graph passes through the origin (0,0).

The given function is also sin(x) shifted to the right by π/2 units.

Hence the phase shift is Phase shift = π/2Midline:

The midline is the average value of the function. For the sine function, the midline is y = 0.

The midline of the given function f(x) is Midline = 2Using the trig function sin(x), the equation for the graph of f(x) can be written as :f(x) = (5/2) sin (x - π/2) + 2

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\(\huge \bf༆ Answer ༄\)

The Correct choice is ~

\({ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:B. \: Normal \: force \)

if the table wasn't there, the plate would have fallen down due to force of gravity, but the table there apply a force perpendicular to the surface against the gravity to stop the plate from dropping down.

Answer: 7.51

Explanation: Acellus

The charges on each plate are acquired is 4.403×10⁻¹⁹ C if the two plates are separated by 2.42×10⁻⁵ m with an area of 8.22×10⁻⁴ m².

It is defined as the energy required in moving the unit's positive charge from one point to another. It is obtained from the ratio of the charge and distance. The unit of electric potential is Volt(V)

The electric potential between the parallel plates is obtained from the product of the Electric field and the distance of separation between the plates.

From the given,

Area of the plates, A = 8.22×10⁻⁴ m²

Distance of separation (d) = 2.42×10⁻⁵m

Voltage (V) = 25 V

Charge on the plates (Q) =?

The electric potential V = E/d, where E is the electric field and the unit of an electric field is N/C. d is the distance of separation of the plates. The electric field is the ratio of charge and area.

Electric field E = Q/ (A×ε), where A is the area of the parallel plates, and Q is the charge in the conductor. ε is permittivity in free space and is equal to 8.845×10⁻¹²C²/N.m².

The electric potential V = E/d

V = (Q/ (A×ε)) / d

  = Q / (A ×ε× d)

Q =  V×A×ε× d

   = 25×8.22×10⁻⁴×2.42×10⁻⁵×8.845×10⁻¹²

   = 4,403 × 10⁻²¹

   = 4.4 ×10⁻¹⁹C

The charge accumulated on the plates is 4.4 ×10⁻¹⁹C.

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The frequency of the emitted photon is 4.11 x 10^14 Hz and its wavelength is -7.29 x 10^-7 m. This emitted light falls into the range of the electromagnetic radiation spectrum known as the visible spectrum, specifically the red part of the spectrum.

To calculate the frequency and wavelength of the emitted photon when an electron undergoes a transition from the n=4 level to the n=2 level in the hydrogen atom, we can use the Rydberg formula:

1/λ = R(1/n1^2 - 1/n2^2)

Where λ is the wavelength of the emitted photon, R is the Rydberg constant (1.097 x 10^7 m^-1), n1 is the initial energy level (n=4), and n2 is the final energy level (n=2).

Substituting the values, we get:

1/λ = (1.097 x 10^7 m^-1)(1/4^2 - 1/2^2)

1/λ = (1.097 x 10^7 m^-1)(1/16 - 1/4)

1/λ = (1.097 x 10^7 m^-1)(-0.125)

1/λ = -1.371 x 10^6 m^-1

λ = -7.29 x 10^-7 m

To find the frequency, we can use the equation:

c = λν

Where c is the speed of light (3.00 x 10^8 m/s), λ is the wavelength we just calculated, and ν is the frequency.

Substituting the values, we get:

(3.00 x 10^8 m/s) = (-7.29 x 10^-7 m)ν

ν = 4.11 x 10^14 Hz

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Answer: True

Explanation: if an object is increasing speed it accelerates. imagine you are on the highway and you increase your speed from 50 to 70 at a constant rate of speed every min so, every min you go 5 miles an hour faster you are still accelerating but at a constant.

Answer:

\(0.25\ cm^3\)

Explanation:

Data provided in the question

Number of drops fell from a burret = 60

The first reading is 28 cm^3

And, the final reading is 43 cm^3

Based on the above information, the average volume of one drop is

\(= \frac{Final\ readings - first\ readings}{number\ of\ drops}\)

\(= \frac{43\ cm^3 - 28\ cm^3}{60 \ drops}\)

\(= 0.25\ cm^3\)

Basically we applies the above formula by applying the three items given in the question so that the average volume of one drop could come

Answer:

0.25\ cm^30.25 cm

3

Explanation:

Data provided in the question

Number of drops fell from a burret = 60

The first reading is 28 cm^3

And, the final reading is 43 cm^3

Based on the above information, the average volume of one drop is

= \frac{Final\ readings - first\ readings}{number\ of\ drops}=

number of drops

Final readings−first readings

= \frac{43\ cm^3 - 28\ cm^3}{60 \ drops}=

60 drops

43 cm

3

−28 cm

3

= 0.25\ cm^3=0.25 cm

3

Answer:

It will apply the greatest pressure of an area of 1.

Explanation:

To find pressure use the formula P = F/A

P = 100/1

P = 100

Answer:

10 N / cm^2

Explanation:

The Formiula is P = F / A

P = presure

F = Force in Newtons

A = area.

The answer is the smaller the area the larger the pressure.

The smallest area you have given us is 10 cm^2

The Pressure = 100N / 10 cm^2

Pressure = 10 N/cm^2  

Note: the units are not exactly standard units, but I've given the answer the way the question offers the units.

Hi there!

We can go about this problem using a summation of torques.

In order to ensure the rod is in equilibrium, we must satisfy the condition:

Στ = 0

Since the rod is "very light", we can disregard its mass.

The equation for torque is:

τ = rFsinθ

In this instance, the torques are the weights of the objects and their distance from the pivot.

As the rod is 40 cm, the pivot is at 20 cm. Also, the torques must sum up to 0, so:

0 = rF1 - rF2

r1F1 = r2F2

0.20(50) = r2(200)

Solve:

10 = r2(200)

r2 = 0.05 m = 5 cm

The 200N weight must be put at a distance of 5 cm from the OTHER SIDE of the pivot in order to balance the rod.

It is true that when two items are rubbed together, a significant amount of electrons can be transmitted from one object to the other.

Unattached or attached to an atom, an electron is a negatively charged subatomic particle (not bound). One of the three main types of particles inside an atom, along with protons and neutrons, is an electron that is linked to the atom. An atom's nucleus is made up of electrons, protons, and neutrons. Subatomic particles known as electrons have a -1 magnitude elementary charge. The magnitude of an electron's charge is equivalent to that of a proton (but has an opposite sign). Because of this, electrically neutral atoms and molecules need to contain an equal number of protons and electrons.

Never can an electron exist on its own. It can also obtain its charge from other particles, or a positron can be produced simultaneously. In a similar vein, an electron cannot be annihilated without producing a new, oppositely charged particle that is also equally charged. The electron cannot ever be destroyed when it is isolated. For the purpose of creating cross-platform desktop apps with HTML, CSS, and JavaScript, GitHub has created the open source library known as Electron.

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Answer:

conversion or a neutron to a proton and electron. the electronic is emitted

Answer:

3.18 Nm

Explanation:

Given that:

Radius (r) = 15cm = 15/100 = 0.15m

θ = 45°

Applied force (F) = 30 N

The Torque can be obtained using the relation :

T = rF * sinθ

T = 0.15 * 30 * sin(45)

T = 0.15 * 30 * 0.7071067

T = 3.18198015

T = 3.18 Nm

Agrees her clocks move slower than those on Earth., c. feels normal, and her heartbeat and eating habits are normal, d. The real time is in between the times measured by the two observers due to time dilation.

The observer on the passing spacecraft would agree that their clocks move slower than those on Earth due to time dilation effects caused by their relative motion.

They would still experience their own time as normal, with normal bodily functions such as heartbeat and eating habits.

However, due to the time dilation, the time measured by the observer on Earth would be different from the time measured by the observer on the spacecraft. The "real time" would be somewhere in between the times measured by the two observers.

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16.92 meter far can the turtle travel in an hour.

What is the formula for Speed, Distance & Time?

Speed (or rate, r) is a scalar quantity that measures the distance travelled (d) over the change in time (Δt), represented by the equation r = d/Δt

Given, 12 mile in 19 hours so we require to convert in SI unit.

12 mile = 19312.1 meters

19 Hour = 68400 sec

Applying in formula, speed = Distance / Time

Distance / Time = 19312.1 / 68400 = 0.282 m/ sec ²

Speed = 0.282 m / sec ²

1 hour = 60 second

Putting the above value in the below formula

speed = Distance / Time

Distance = Speed x Time = 0.282 x 60 = 16.92 meter

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The term that names a large collection of stars, often billions, grouped together in the universe is a Galaxy.

A galaxy is a gravitationally bound system of stars, interstellar gas, dust, dark matter, and various other objects in space that are considered fundamental building blocks of the universe.

The term galaxy is derived from the Greek word galaxies, which means "milky."

Most galaxies range in size from dwarfs with just a few billion stars to giants with a hundred trillion stars or more, each orbiting its galaxy's center of mass.

Galaxies are grouped together in clusters, and the clusters are themselves grouped together to form superclusters, the largest structures in the universe.

The Local Group, which includes the Milky Way galaxy, and the Andromeda Galaxy, is the nearest cluster to us, with at least 54 member galaxies.

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Water is transformed into vapour at m is 0.0462 g. Be aware that even at lower temperatures, some water molecules will leave the water's surface since they have high kinetic energy.

At 100 °C, where water boils, the heat of vaporization for water is around 540 cal/g. Be aware that even at lower temperatures, some water molecules will leave the water's surface since they have high kinetic energy.

Water has a mass of 10 kg, a pressure of 101325 Pa, a temperature of 373.15 K, and a latent heat of vapourization of 2230 J.g-1. This water has received 103 J of heat energy.

Now, applying solely the latent heat principle to the heat equation: (since water already at boiling point at atmospheric temperature).

Q = m. The amount of water that becomes vapour is L 103 = m * 2230 m = 0.0462 g.

The complete question is,

A container containing 10 kg of liquid water is kept at 101325 Pa atmospheric pressure. At that pressure, the water is originally at its boiling point of 373.15 K. Water to water vapor has a latent heat of 2230 J/g. Water has a molecular weight of 18 g. The water receives 103 J of heat. 1) How much water evaporates into vapor? mass(vapor)=    

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Answer:

nuclear fission

Explanation:

nuclear fission

Answer: Nuclear fission

Explanation:

To solve this problem, we can use the continuity equation, which states that the mass flow rate (the rate at which mass flows through a point in a system) must be constant throughout the system. In other words, the mass flow rate at point 1 must equal the mass flow rate at point 2.

The mass flow rate is equal to the density of the fluid times the flow rate (also known as the volume flow rate). The flow rate is equal to the cross-sectional area of the tube times the velocity of the fluid. Therefore, we can write the continuity equation as:

density * (cross-sectional area * velocity) = constant

We can rearrange this equation to solve for the velocity at each point:

velocity = constant / (density * cross-sectional area)

At point 1, the velocity can be calculated as follows:

V1 = constant / (density * A1) = constant / (density * 1.00 cm^2)

At point 2, the velocity can be calculated as follows:

V2 = constant / (density * A2) = constant / (density * 4.00 cm^2)

We can find the value of the constant by using the pressure difference between the two points and the ideal gas law:

P1 - P2 = (density * velocity^2) / 2

Substituting the known values, we have:

9.45 kPa = (density * V1^2) / 2

Solving for V1, we find that the velocity at point 1 is:

V1 = sqrt(2 * 9.45 kPa / density)

Similarly, we can solve for V2:

V2 = sqrt(2 * 9.45 kPa / density) / 2 = V1 / 2

Note that the density of glycerin is not given, so we cannot calculate the exact values of V1 and V2. However, we can still determine the relationships between the velocities at the two points. Specifically, we can see that the velocity at point 2 is half the velocity at point 1.

The equivalent resistance of the circuit is 0.67 ohms. The current through the circuit is 7.46 amps.

1/Req = 1/R1 + 1/R2 + 1/R3 + ...

In this case, we have three resistors connected in parallel, so:

1/Req = 1/R1 + 1/R2 + 1/R3

1/Req = 1/2.00 + 1/2.00 + 1/2.00

1/Req = 1.5

Req = 0.67 ohms

the equivalent resistance of the circuit is 0.67 ohms.

I = V/R

In this case, the voltage is 5V and the resistance is 0.67 ohms, so:

I = 5/0.67

I = 7.46 amps

Resistance is the measure of an object's ability to impede the flow of electric current through it. It is measured in ohms (Ω). Resistance is determined by the physical properties of an object, such as its dimensions, material, and temperature. When electric current flows through a conductor, it encounters resistance that slows down its flow. This resistance is caused by the collisions between electrons and the atoms in the conductor. The greater the number of collisions, the higher the resistance.

Resistance can be affected by changes in the physical properties of the conductor, such as length, cross-sectional area, or temperature. A longer or narrower conductor will have higher resistance, while a wider conductor will have lower resistance. The resistance of most materials increases with temperature. Understanding resistance is important for designing and operating electrical circuits. By controlling the resistance of a circuit, engineers can ensure that the correct amount of current flows to power the devices connected to it.

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The polarization switching characteristics of 1550-nm vertical-cavity surface-emitting lasers (VCSELs) subject to double polarization pulsed injection refer to how these lasers switch between different polarization states when subjected to the injection of pulsed light with two different polarization directions.

To understand this, let's break it down step by step:

1. Vertical-cavity surface-emitting lasers (VCSELs) are a type of semiconductor laser that emits light vertically from its surface. They are commonly used in optical communication systems.

2. The polarization of light refers to the direction of the electric field oscillation in the transverse plane. It can be vertical, horizontal, or any angle in between.

3. In the case of 1550-nm VCSELs, the wavelength of the emitted light is 1550 nanometers, which falls in the near-infrared range and is commonly used in fiber-optic communication.

4. Polarization switching occurs when the injection of pulsed light with different polarization directions causes the VCSEL to switch its emitted light's polarization state. This switching can be controlled by the characteristics of the injected light pulses.

5. The term "double polarization pulsed injection" indicates that the injected light pulses have two different polarization directions. By controlling the timing and characteristics of these pulses, the VCSEL can switch between different polarization states.

In summary, the polarization switching characteristics of 1550-nm VCSELs subject to double polarization pulsed injection describe how these lasers switch between different polarization states when pulsed light with two different polarization directions is injected. These characteristics are important for applications in optical communication systems.

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Complete question is;

Block 1 is resting on the floor with block 2 at rest on top of it. Block 3, at rest on a smooth table with negligible friction, is attached to block 2 by a string that passes over a pulley, as shown in the attachment below. The string and pulley have negligible mass.

Block 1 is removed without disturbing block 2.

Derive an equation for the acceleration of block 3 for any arbitrary values of m3 and m2. Express your answer in terms of m3, m2, and physical constants as appropriate.

Answer:

a = (m2)g/(m3 + m2)

Explanation:

Looking at the attached image, if we consider the free body diagram for block 3, by using Newton's first law of motion, we will arrive at the formula;

T = (m3)a - - - (eq 1)

where;

T is the tension in the string

a is acceleration

m3 is mass of block 3

Meanwhile doing the same with Block 2, the free body diagram would give us the formula; (m2)g - T = (m2)a

Making T the subject gives us;

T = (m2)g - (m2)a - - - (eq 2)

where;

g is acceleration due to gravity

T is the tension in the string

a is acceleration

m2 is mass of block 2

To solve for the acceleration, we will just substitute (m3)a for T in eq 2.

Thus;

(m3)a = (m2)g - (m2)a

(m3)a + (m2)a = (m2)g

a(m3 + m2) = (m2)g

a = (m2)g/(m3 + m2)

Answer:

D hope this helps plz mark brainliest

Explanation:

Answer:

It's all about the conduction between the pan and the cookies.

Explanation:

The cookies in the middle of the pan are not going to be cooked as much as the cookies touching both the bottom of the pan and the side of the pan due to the level of heat being given to those outside cookies. Lets try an example:

Lets say you're in a car in the middle of summer. You and your sibling sit on opposite sides of your other sibling, who is sitting in the middle seat. You and your other sibling are pressed up against the door of the car, making you heat up quicker since not only is it hot in the car, the sun is also on you. Meanwhile your other sibling isn't getting as much heat (but is still warm).

I hope this was able to help! There weren't any answers listed, so it may be the following:

- Conduction of heat

- Transfer of heat

- The pan heating up more of the cookie

- The conversion of more heat energy to the outside cookies

Good luck!

La actividad física posee muchos beneficios para la salud. Algunos de estos beneficios son la reducción en el riesgo de padecer enfermedades, control del peso, fortalecimiento de huesos y músculos, etc.

La actividad física regular previene la aparición de enfermedades cardiovasculares al evitar la acumulación de colesterol en las arterias que transportan sangre a diferentes áreas del organismo.

La actividad física consume calorías, especialmente aquellas provenientes de los lípidos (grasas), con lo cual permite controlar el peso y reducir el riesgo de obesidad.

La actividad física también ayuda al fortalecimiento de los tejido oseo, con lo cual previniendo enfermedades relacionadas tales como la osteoporosis.

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Answer:

\( s = ut + \frac{1}{2} a {t}^{2} \\ u = 0 \\ a = 4.2 \: m {sec}^{ - 2} \\ t = 10sec \\ s = 0 + \frac{1}{2} (4.2) {10}^{2} \\ = 1.2 \times 100 \\\boxed{ s = 120 \: m}\)

Answer:

Hello this is allina from brainly. I'll be helping you today. Use the formula, v=gt to find the velocity.

For example, the velocity after one second would be g * t = 10 m/s^2 * 1, which would be 10 m/s.

So, just put the time into the equation:

ii. 20 m/s

iii. 30 m/s

iv. 50 m/s

The formula d = 1/2gt^2 is for finding the distance it has fallen in free fall.

SO plug in the value for t into the equation.

i. 5 m

ii. 20 m

iii. 45 m/s

iv. 125 m/s

Use the previous formula (v = gt) to find the time it has fallen:

v = gt

30 m/s = 10 m/s^2 * t

t = 3 s

So it has fallen for 3 seconds.

Use the 3 seconds to find the distance it has fallen in free fall:

d = 1/2gt^2

d = 1/2 * 10 m/s^2 * 3^2 s

d = 45 m

Explanation:

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