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
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
Select the renewable and non-renewable sources of energy from the following:
Wind
Give one disadvantage of using a solar cell.
What is nuclear energy?
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
Is it possible that a body may possess energy even when it is not in motion?
State the energy changes which take place when:
A car moves up a hill.
Give one example when:
Electric energy changes to sound energy.
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
