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velikii [3]
2 years ago
11

A 1994 Ford Mustang is driving down a road with a constant speed of 30 31/5, The engine must

Physics
1 answer:
coldgirl [10]2 years ago
4 0

The power rating of the engine is 150000 W.

<h3>What is power?</h3>

Power can be defined as the rate at which energy is used or consumed by a body.

To calculate the power of the engine, we use the formula below.

Formula:

  • P = FV............. Equation 1

Where:

  • P = Power of rating of the engine
  • F = Force of the engine
  • V = Velocity of the engine.

From the question,

Given:

  • F = 5000 N
  • V = 30 m/s.

Substitute these values into equation 1

  • P = 5000×30
  • P = 150000 W.

Hence, The power rating of the engine is 150000 W.

Learn more about power here: brainly.com/question/1173325



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A stationary boat in the ocean is experiencing waves from a storm. The waves move at 59 km/h and have a wavelength of 145 m . Th
krek1111 [17]

Answer:

The time elapses until the boat is first at the trough of a wave is 4.46 seconds.

Explanation:

Speed of the wave, v = 59 km/h = 16.38 m/s

Wavelength of the wave, \lambda=145\ m

If f is the frequency of the wave. The frequency of a wave is given by :

v=f\lambda\\\\f=\dfrac{v}{\lambda}\\\\f=\dfrac{16.38\ m/s}{145\ m}\\\\f=0.112\ Hz

The time period of the wave is given by :

T=\dfrac{1}{f}\\\\T=\dfrac{1}{0.112\ Hz}\\\\T=8.92\ s

We need to find the time elapses until the boat is first at the trough of a wave. So, the time will be half of the time period of the wave.

T=\dfrac{8.92}{2}\\\\T=4.46\ s

Hence, this is the required solution.

5 0
3 years ago
How rolling friction is less than sliding friction?
vovangra [49]

Rolling friction is considerably less than sliding friction as there is no work done against the body that is rolling by the force of friction. For a body to start rolling a small amount of friction is required at the point where it rests on the other surface, else it would slide instead of roll.

6 0
3 years ago
PLEASE HELP ME WILL GIVE BRAINLIEST
weqwewe [10]

Answer:

A.always changing

Explanation:

7 0
3 years ago
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What is the kinetic energy of an object that has a mass of 12 kg and moves with a velocity of 10 m/s
WITCHER [35]

Answer:

600 J

Explanation:

The formula to find the kinetic energy of an object is \frac{1}{2}mV^2

  • m = mass in kg
  • V = velocity in m/s
  • KE is measured in Joules just as all other forms of energy.

Now, let's plug in the variables we're given and simplify.

  • \frac{1}{2}(12)(10)^2
  • \frac{1}{2}(12)(100)
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Thus, the answer is 600 Joules.

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You no longer feel your clothes against your skin after you have been wearing them for a while. What explains this?
mariarad [96]
You don't constantly feel your clothes on you because of sensory adaption. So basically your body got used to it.
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