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प्रश्न
The kinetic energy of a body is the energy by virtue of its ______.
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उत्तर
The kinetic energy of a body is the energy by virtue of its motion.
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संबंधित प्रश्न
What is 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.
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Write the expression for the kinetic energy of a body explaining the meaning of the symbols used.
Two bodies of equal masses are moving with uniform velocities v and 2v. Find the ratio of their kinetic energies.
A truck weighing 1000 kgf changes its speed from 36 km h-1 to 72 km h-1 in 2 minutes. Calculate:
- the work done by the engine and
- its power (g = 10 m s-2)
Two bodies have masses in the ratio 5 : 1 and their kinetic energies are in the ratio 125 : 9. Calculate the ratio of their velocities.
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.
An apple falling from a tree is an example for kinetic energy.
