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प्रश्न
The energy of a flying kite is kinetic energy.
पर्याय
True
False
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उत्तर
True .
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संबंधित प्रश्न
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.
By how much will the kinetic energy of a body increase if its speed is doubled?
Find the momentum of a body of mass 100 g having a kinetic energy of 20 J.
When a ball is thrown inside a moving bus, does its kinetic energy depend on the speed of the bus? Explain.
If an object has 0 momentum, does it have kinetic energy? Explain your answer.
Water stored in water dams possesses 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.
If the mass as well as the velocity of a body is doubled then the kinetic energy of the body ______ the initial kinetic energy.
