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प्रश्न
The energy of a flying kite is kinetic energy.
विकल्प
True
False
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उत्तर
True .
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संबंधित प्रश्न
Write an expression for the kinetic energy of an object.
A freely falling object eventually stops on reaching the ground. What happens to its kinetic energy?
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Two bodies of equal masses are moving with uniform velocities v and 2v. Find the ratio of their kinetic energies.
A cannon ball of mass 500 g is fired with a speed of 15 m s-1. Find:
- its kinetic energy.
- its momentum.
On what factors does the kinetic energy of a body depend?
Derive the formula for the kinetic energy of an object of mass m, moving with velocity v.
Find out the form of energy possessed by the following thing.
Water falls
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.
