Advertisements
Advertisements
प्रश्न
Write the type of energy possessed in the following case:
A moving cricket ball.
Advertisements
उत्तर
Kinetic Energy
APPEARS IN
संबंधित प्रश्न
Give one example of a body that has potential energy, due to its position at a height.
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 highest point .
What is tidal? Explain in brief.
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
A body of mass 0.2 kg falls from a height of 10 m to a height of 6 m above the ground. Find the loss in potential energy taking place in the body. [g = 10ms−2]
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
Can you tell?
Describe one natural chain of transformation of energy.
What is the difference between the solid, liquid, and gaseous states of a substance?
