What is the magnitude of force required to accelerate a car of mass
1.7 × 103 kilograms by 4.75 meters/second2?

This is an example of potential cause and effect. The potential cause is the improper use of tools, specifically using a regular wrench instead of a torque wrench to tighten the spark plug. The potential effect is the malfunctioning of the spark plug, leading to its failure to work properly.

Using the wrong tool, in this case, a regular wrench instead of a torque wrench, can lead to overtightening or undertightening of the spark plug. A torque wrench is specifically designed to apply a specific amount of torque or rotational force to tighten the spark plug to the manufacturer's specifications. Without using a torque wrench, it becomes challenging to achieve the correct tightness, which can result in a range of issues.

In the given scenario, the potential failure mode is the spark plug not functioning correctly, leading to the bike's engine not igniting properly. This can result in poor engine performance, misfires, or complete engine failure. Using the appropriate tools and following proper procedures is crucial to ensure the reliable and safe operation of mechanical components.

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Answer:

i think yes, because the sand together with the filters catches all the impurities of the water that will pass through them. (btw sorry for my English, this is translated from my language in translator, so don't mind my English pls)

The concentration of the acute leukemia cc95 combination value in micromolar (μm) units is  6 × 10-4 μM.

Acute lymphocytic leukemia (ALL) is also called acute lymphoblastic leukemia. “Acute” means that the leukemia can progress quickly, and if not treated, would probably be fatal within a few months. "Lymphocytic" means it develops from early (immature) forms of lymphocytes, a type of white blood cell.

A rapidly progressing cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of white blood cells to be produced and enter the blood stream.

In acute leukemia, the abnormal blood cells are immature blood cells (blasts). They can't carry out their normal functions, and they multiply rapidly, so the disease worsens quickly. Acute leukemia requires aggressive, timely treatment.

This corresponds to 0.6 × 10^-9 M × (1 μM/1 × 10^-6 M) = 0.6 × 10^-3 μM = 6 × 10-4 μM.

Acute myeloid leukemia (AML) is caused by a DNA mutation in the stem cells in your bone marrow that produce red blood cells, platelets and infection-fighting white blood cells. The mutation causes the stem cells to produce many more white blood cells than are needed.

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Just divide the both, you will get the answer!

does it sound rude?

im sorry for that!

Answer:

10

Explanation:

Answer:

e = 15.4508

Explanation:

sin∅ = opposite over hypotenuse

Here, we see that we need to use sin trig to help us solve for side length e.

sin18° = e/50

50sin18° = e

e = 15.4508

This is energy of motion -  kinetic Energy

1) Initial kinetic energy = 0.5 * 11 * 35^2

= 6737.5 J

Final kinetic energy = 0.5 * 11 * 30^2

= 4950

2) Initial kinetic energy = 0.5 * 28 * 25^2

= 8750 J

Final kinetic energy = 0.5 * 22 * 25^2

= 6875 J

3) Initial kinetic energy = 0.5 * 16 * 25^2

= 5000J

Final kinetic energy = 0.5 * 16 * 20^2

= 3200J

4) Initial kinetic energy = 0.5 * 32 * 18^2

= 5184 J

Final kinetic energy = 0.5 * 27 * 18^2

= 4374 J

This is the change in kinetic energy of a system in which

a 11 kg object moving at 35 m/s slows to a velocity of 30

m/s -  6.74 kJ changes to 4.95 kJ

This is the change in kinetic energy of a system in which

a 28 kg object traveling at 25 m/s breaks and becomes a

22 kg object traveling at the same speed -  8.75 kJ changes to 6.88 kJ

This is the change in kinetic energy of a system in which

a 16 kg object moving at 25 m/s slows to a velocity of 20

m/s - 5 kJ changes to 3.2 kJ

This is the change in kinetic energy of a system in which

a 32 kg object traveling at 18 m/s breaks and becomes a

27 kg object traveling at the same speed -  5.2 kJ changes to 4.4 kJ

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Answer:

Having more plants performing photosynthesis could help reduce the amount of carbon dioxide in the atmosphere.

Explanation:

sample answer

The plants can be used in the future to help counteract some human

emissions they absorb carbon dioxide from the air and release oxygen.

It is a process carried out by photosynthetic autotrophic organisms, such as plants, algae and some prokaryotes. These organisms capture sunlight, convert it into chemical energy, which will be used to produce organic compounds, based on water and carbon dioxide.

Trees, like other plants, in the process called photosynthesis, absorb carbon dioxide from the air and release oxygen. They also make the air wetter and cooler. In this way, plants contribute to the good quality of the air we breathe.

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Answer:

electrical energy to mechanical energy.

Explanation:

The image shows the correct way of lining up vectors to add them together, that the two arrows lined up one after the other, therefore the correct answer is option B.

The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.

Examples of vector quantities are displacement, velocity acceleration, force, etc.

Thus, the image shows the correct way of lining up vectors to add them together, that the two arrows lined up one after the other, therefore the correct answer is option B.

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Answer:

D. 1×10⁻⁸ M

Explanation:

[H⁺] [OH⁻] = 10⁻¹⁴

(1×10⁻⁶) [OH⁻] = 10⁻¹⁴

[OH⁻] = 1×10⁻⁸

The concentration of hydroxyl ion will be  \(10^{-8}\)M.

The amount of a chemical substance in a mixture is expressed by the substance's concentration.

Calculation of concentration.

Given data:

Concentration of H+ =  1 x \(10^{-6}\) M.

It is known that,

[\(H^{+}\)][\(OH^{-}\)] = \(10^{-14}\)M

Now, put the value of concentration of [\(H^{+}\)] in above equation.

[1× \(10^{-6}\)][\(OH^{-}\)] =  \(10^{-14}\)M

[\(OH^{-}\)]  =   \(10^{-14}\) / [1× \(10^{-6}\)]M

[\(OH^{-}\)]  = \(10^{-8}\)M

Therefore, the concentration of hydroxyl ion will be  \(10^{-8}\)M.

Hence, the correct answer will be an option (D).

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Radio telescopes must be larger than optical telescopes because of the longer wavelengths of radio waves, which result in a lower diffraction limit.

The diffraction limit of a telescope is determined by its aperture size, or the diameter of its collecting area. For the Hubble Space Telescope, the diffraction limit for visible light is approximately 0.05 arcseconds. This means that the telescope can resolve structures or details that are separated by at least 0.05 arcseconds of an angle.

On the other hand, radio telescopes are much larger than optical telescopes because radio waves have longer wavelengths than visible light. The diffraction limit of a radio telescope is proportional to the wavelength of the radiation it observes. Because radio wavelengths are much longer than those of visible light, radio telescopes must be much larger in order to achieve the same level of resolution as optical telescopes.

In addition, radio telescopes can detect emissions from much larger structures in space, such as galaxies and clusters of galaxies. These emissions are typically very weak and difficult to detect, so radio telescopes must have a large collecting area in order to detect them.

To sum up, radio telescopes must be larger than optical telescopes because of the longer wavelengths of radio waves, which result in a lower diffraction limit, and the need to detect weak radio emissions from large structures in space.

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To determine the total distance traveled when t = 9.00 s, we need to find the displacement between the initial and final positions of the particle.

Given:
s = t³ - 6t² - 15t + 7

To find the initial position, substitute t = 0:
s(0) = (0³) - 6(0²) - 15(0) + 7
s(0) = 7 ft

To find the final position, substitute t = 9.00 s:
s(9) = (9³) - 6(9²) - 15(9) + 7
s(9) = 729 - 486 - 135 + 7
s(9) = 115 ft

The displacement between the initial and final positions is:
Δs = s(9) - s(0)
Δs = 115 - 7
Δs = 108 ft

Therefore, the total distance traveled when t = 9.00 s is 108 ft.

To calculate the average velocity at time t = 9.00 s, we need to find the instantaneous velocity at that time.

The velocity function is the derivative of the position function:
v = ds/dt

Given:
s = t³ - 6t² - 15t + 7

Differentiating s with respect to t:
v = ds/dt = 3t² - 12t - 15

Substitute t = 9.00 s:
v(9) = 3(9²) - 12(9) - 15
v(9) = 243 - 108 - 15
v(9) = 120 ft/s

Therefore, the particle's average velocity at time t = 9.00 s is 120 ft/s.

To calculate the average speed at time t = 9.00 s, we need to find the total distance traveled divided by the time taken.

Average speed = total distance / time

Given:
Total distance = 108 ft
Time = 9.00 s

Average speed = 108 ft / 9.00 s
Average speed = 12 ft/s

Therefore, the particle's average speed at time t = 9.00 s is 12 ft/s.

Total distance traveled when t = 9.00 s: 108 ft
Particle's average velocity at time t = 9.00 s: 120 ft/s
Particle's average speed at time t = 9.00 s: 12 ft/s
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The number of revolutions in 10 seconds is equal to the angular velocity multiplied by the time. We are not given the angular velocity of the rear sprocket or any other information about the bike's speed, so we cannot calculate the distance it will travel in 10 seconds.

To calculate how far a bike with a rear wheel radius of 34 cm will travel in 10 seconds, we need to first find the distance that the wheel covers in one revolution.

The distance covered by one revolution of a wheel is equal to its circumference, which can be calculated using the formula:

C = 2πr

Where C is the circumference, π is the mathematical constant pi, and r is the radius of the wheel.Substituting the given value of the radius of the rear wheel, we get:

C = 2π × 0.34 m = 2.13 m

Therefore, the rear wheel of the bike covers a distance of 2.13 m in one revolution.

If the bike continues to rotate forward along with the rear sprocket, it will cover a distance equal to the circumference of the wheel in one revolution for every revolution of the rear sprocket.

Assuming a constant rate of rotation, the bike will cover a distance equal to the product of the distance covered in one revolution and the number of revolutions in 10 seconds.

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If the mass of the cylinder decreases, the temperature of the water decreases, because  lesser the  mass means the cylinder has less potential energy that can be converted to thermal energy, decreasing the temperature of the water.

Potential energy is a form of stored energy that is dependent on the relationship between different system components. When a spring is compressed or stretched, its potential energy increases. If a steel ball is raised above the ground as opposed to falling to the ground, it has more potential energy.

The temperature of the water falls as the cylinder's mass drops because a smaller cylinder has less potential energy that can be converted to thermal energy, which lowers the temperature of the water.

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The most important use of absorption measurements is to determine the concentration of a substance in a solution.

Absorption measurements are one of the most commonly used methods for detecting and quantifying the concentration of molecules in a solution. This technique measures the amount of light that is absorbed by a sample as a function of its wavelength.

There are two types of absorption measurements: transmission and reflection.

Transmission measurement is when the light passes through a sample and is absorbed by the solution. The amount of light that is absorbed is then measured and the concentration of the substance is determined based on the amount of light absorbed.

Reflection measurement is when the light is reflected off the surface of the sample and the amount of reflected light is measured. The concentration of the substance is then determined based on the amount of light absorbed by the sample.

Absorption measurements are important for many reasons. Some of the key uses of absorption measurements include:

Determining the concentration of a substance in a solution: Absorption measurements can be used to accurately determine the concentration of a substance in a solution. This is important for many applications, including medical diagnosis and drug development.

Detecting impurities in a sample: Absorption measurements can also be used to detect impurities in a sample. This is important for quality control and ensuring that products are safe for use.

Identifying unknown substances: Absorption measurements can also be used to identify unknown substances in a sample. This is important for forensic analysis and environmental testing.

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Answer:

Move. It also determines the total amount of force put on an object

Explanation:

The question is incomplete, the complete question is;

The net force determines how and if an object will?

A) make a balanced force

B) change its mass

C) move or accelerate

When unbalanced forces act on an  object, the object moves  or accelerates. The correct answer is option C: move or accelerate

Force is considered as a push or pull. Unbalanced forces refers to a system of forces acting in opposite direction and are not equal in magnitude.

Unbalanced forces cause an object to move or accelerate in the direction of the larger force.

Hence, The net or resultant force determines how and if an object will move or accelerate when under the action of unbalanced forces.

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Answer:

11.963 * 10^(24) photons

Explanation:

Given,
λ = 540 nm = 5.4 * 10^(-7) m
E = 4.40 MJ = 4.4 * 10^(6) J

We know that E = nhc/λ [hc = 1.986 * 10^(-25) Jm]
or, n = Eλ/hc

n = \(\frac{5.4 * 10^-^7 * 4.4 * 10^6}{1.986 * 10^-^2^5 }\)

= 11.963 * 10^(24) photons

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Okay, let's think this through step-by-step:

* The rate of energy transfer is 50 J/s

* We need to calculate the energy transferred in 4 seconds

* So we would calculate:

Energy in 4 seconds = Rate x Time

= 50 J/s x 4 s

= 200 J

So the heat energy produced within 4 seconds with an energy transfer rate of 50 J/s is 200 J.

Let me know if you have any other questions!

If the kinetic energy of an object changes, then the collision is considered inelastic. This is regardless of whether the objects sticks together or not.

My best answer for this question would be D) inelastic, because kinetic energy is not conserved.

We can tell from the collision that it is not elastic.

Momentum is is conserved, it transfers to the other player.

Kinetic energy is not conserved, at it turns into internal friction.

I hope this helps! :)

A football tackle is an inelastic collision , because kinetic energy is not conserved.

When two bodies or particles move towards enough to interact with each other it is called the particles or the bodies are colliding.

So, when the football tackles it's kinetic energy changes.

Thus, A football tackle is an inelastic collision , because kinetic energy is not conserved.

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Answer:

20 m

Explanation:

1 s = 4 m

5 s = ?

? = (4 x 5) = 20 meters

Answer:

distance = 0.8 m

Explanation:

given:

A bike travels at a constant speed of 4.0 m/s for 5.0s.

find:

How far does it go?

solution:

distance = speed / time

distance = 4.0 m/s

                     5 sec.

distance = 0.8 m

For a successful final touch of a construction venture, key stakeholders consisting of the consumer/proprietor, architect/layout group, and creation contractor are crucial. Risk management is necessary to perceive and mitigate capacity risks, ensuring project success and minimizing disruption

The 3 important stakeholders for the development of a new mall in Alexandra are:

During the construction of an avenue in a particular network, the network is represented by:

Local Authorities: The local authorities, which include the municipal or city council, represent the community's pastimes. Their duties consist of engaging with the network to apprehend their needs and issues associated with the road construction project.

Before any sort of Civil Engineering mission is executed, the subsequent steps want to be taken to ensure the viability of the challenge:

The hierarchy of running for a contractor sporting out the development of a bridge typically consists of the subsequent degrees:

To draw the bar chart (also referred to as a Gantt chart) for a 50 km street creation undertaking with a duration of 10 days, the chart could represent the obligations and their respective intervals. However, a standard bar chart for an avenue creation undertaking may also include duties including surveying, excavation, laying subbase, paving, and street markings, amongst others.

The horizontal axis represents the timeline (in days), and the vertical axis represents the responsibilities. Each undertaking is represented with the aid of a horizontal bar that suggests its length.

Question 2 (10):

2.1 Risk control is vital in a venture for the following motives:

Overall, change management is important for figuring out, analyzing, and responding to risks in a systematic and proactive manner. It enables ensuring task success by using lowering uncertainties and maximizing opportunities for task delivery within the preferred parameters.

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According to the given statement 2.5 m/s is the final velocity of the truck.

Velocity is the pace and path of an item's movement, whereas speed is really the time rate that a object is travelling along a route. In other words, velocity is a vector, whereas speed is a scalar number. as the pace of a car driving south on a highway or the pace at which a rocket takes off.

Collision energy equals collision energy before collision

Afterward, we would have;

(400 * 20) + (50 * 2) = (50 * 142) + (400 * v)

8000 + 100 = 7100 + 400v

8100 - 7100 = 400v

v = 1000/400

v = 2.5 m/s

According to our estimation, the velocity is 2.5 m/s.

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According to the given statement 2.5 m/s is the final velocity of the truck.

Velocity is the pace and path of an item's movement, whereas speed is really the time rate that a object is travelling along a route. In other words, velocity is a vector, whereas speed is a scalar number. as the pace of a car driving south on a highway or the pace at which a rocket takes off.

Collision energy equals collision energy before collision

Afterward, we would have;

(400 * 20) + (50 * 2) = (50 * 142) + (400 * v)

8000 + 100 = 7100 + 400v

8100 - 7100 = 400v

v = 1000/400

v = 2.5 m/s

According to our estimation, the velocity is 2.5 m/s.

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Galileo's experiments primarily challenged Aristotle's ideas about the types of motion.

According to Aristotle, objects of different weights would fall at different speeds, with heavier objects falling faster. However, Galileo conducted experiments with inclined planes and rolling balls, showing that objects of different weights, when released from the same height, would reach the ground at the same time. This contradicted Aristotle's notion of natural motion and supported the concept of uniform acceleration due to gravity. Galileo's findings laid the foundation for the modern understanding of motion and led to the development of the principle of inertia, which states that objects will remain in their state of motion unless acted upon by an external force.

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ANSWER

EXPLANATION

b) We want to find the change in gravitational potential energy of the lorry.

The change in gravitational potential energy is given by:

where m = mass of the lorry

g = acceleration due to gravity

Δh = change in height

Let us make a sketch of the problem:

To find the change in height, we have to apply the trigonometric ratios:

Therefore, the change in height is:

Therefore, the change in gravitational potential energy of the lorry is:

That is the answer.

To calculate the power of reading glasses that should be prescribed for the person, we can use the lens formula:

1/f = 1/v - 1/u

Where:

f is the focal length of the lens (in meters)

v is the image distance (in meters)

u is the object distance (in meters)

Given:

Object distance, u = 45 cm = 0.45 m

Image distance, v = 2.0 cm = 0.02 m

Desired near point, v' = 25 cm = 0.25 m

We can rearrange the lens formula to solve for the focal length:

1/f = 1/v - 1/u

1/f = 1/0.02 - 1/0.45

Now, we can solve for the focal length:

1/f = 45 - 0.02 / (0.02 x 45)

1/f = 44.98 / 0.9

f ≈ 49.98 cm = 0.4998 m

The focal length of the reading glasses is approximately 0.4998 meters.

To find the power of the reading glasses, we can use the formula:

Power (P) = 1/f

P = 1 / 0.4998

P ≈ 2.002 D

Therefore, the power of the reading glasses that should be prescribed for the person is approximately +2.002 D (or approximately +2.0 D, considering significant figures).

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The value of the inductance L is approximately 1193.25 mH.

To solve for the value of the inductance L, we can use the formula:

Vrms = Ipeak * (2 * pi * f * L)

where:

Vrms = 9.0 V

Ipeak = 60 mA = 0.06 A

f = 20 kHz

Substituting the values into the formula:

9.0 V = 0.06 A * (2 * pi * 20,000 Hz * L

Simplifying:

L = 9.0 V / (0.06 A * 2 * pi * 20,000 Hz)

L = 9.0 / (0.007536)

L = 1193.25 mH (rounded to two decimal places)

Therefore, the value of the inductance L is approximately 1193.25 mH.

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An inductor is connected to a 20 kHz oscillator that produces an RMS voltage of 9.0 V. The peak current is 60 mA. The value of the inductance L is  1.692 mH.

Let's start by using the given information and then we'll solve for the value of the inductance L step by step:
1. Frequency of the oscillator (f) = 20 kHz = 20,000 Hz
2. RMS voltage (Vrms) = 9.0 V
3. Peak current (I_peak) = 60 mA = 0.06 A
Now, let's find the peak voltage (V_peak) using the relationship between RMS voltage and peak voltage:
Vrms = V_peak / √2
V_peak = Vrms * √2
V_peak = 9.0 V * √2 ≈ 12.73 V
Next, we'll calculate the impedance (Z) of the inductor using Ohm's law, which relates peak voltage and peak current:
Z = V_peak / I_peak
Z ≈ 12.73 V / 0.06 A ≈ 212.17 Ω
Now, we'll use the formula for the impedance of an inductor:
Z = 2 * π * f * L
Let's solve for the inductance L:
L = Z / (2 * π * f)
L ≈ 212.17 Ω / (2 * π * 20,000 Hz)
L ≈ 1.692 × 10^-3 H
Finally, convert the inductance L to millihenries (mH):
L ≈ 1.692 mH
So, the value of the inductance L is approximately 1.692 mH.

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