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प्रश्न
Find out the form of energy possessed by the following thing.
Water falls
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उत्तर
Kinetic Energy
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संबंधित प्रश्न
Write an expression for the kinetic energy of an object.
Certain force acting on a 20 kg mass changes its velocity from 5 m s-1 to 2 m s-1. Calculate the work done by the force.
Name the unit of physical quantity obtained by the formula `(2K)/v^2` Where K: kinetic energy, v: linear velocity
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
A car is moving with a speed of 15 km h-1 and another identical car is moving with a speed of 30 km h-1. Compare their kinetic energy.
A body of mass 60 kg has the momentum 3000 kg m s-1. Calculate:
- the kinetic energy.
- the speed of the body.
What is the kinetic energy of a body of mass 1 kg moving with a speed of 2 m/s?
A horse and a dog are running with the same speed. If the weight of the horse is ten times that of the dog, What is the ration of their kinetic energies?
An apple falling from a tree is an example for kinetic energy.
A car of mass 120 kg is moving at a speed 18 km/h and it accelerates to attain a speed of 54 km/h in 5 seconds. Calculate:
- the work done by the engine.
- the power of the engine.
