Advertisements
Advertisements
Question
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the ground.
Advertisements
Solution
Kinetic energy.
APPEARS IN
RELATED QUESTIONS
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
Name five renewable sources of energy.
What is solar energy?
What is a solar cell?
State two disadvantages of producing electricity from solar energy.
Is it possible that a body may possess energy even when it is not in motion?
What kind of energy is possessed in a situation when?
A shooting arrow.
What is the difference between the solid, liquid, and gaseous states of a substance?
