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:
Substitute these values into equation 1
Hence, The power rating of the engine is 150000 W.
Learn more about power here: brainly.com/question/1173325
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Answer:
Height of the stadium is 24 m
Explanation:
We have given weight of the rocket mg = 10 N
Total mechanical energy is given = 280 J
Kinetic energy is given Ke = 40 J
We have to find the height of stadium
Mechanical energy is the sum of potential energy and kinetic energy
So potential energy is equal to = 280-40 =240 J
So
h = 24 m
So height of the stadium is 24 m