Advertisements
Advertisements
Question
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
Solution
Kinetic energy (K)
APPEARS IN
RELATED QUESTIONS
State two disadvantages of geothermal energy.
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Give one example of a body that has potential energy, in due to its state.
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
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 .
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
A ball of mass 50 g falls from a height of 2m and rebounds from the ground to 1.6 m. Find:
(i) The potential energy possessed by the ball when initially at rest.
(ii) The kinetic energy of the ball before it hits the ground.
(iii) The final potential energy of the ball.
(iv) The loss in kinetic energy of the ball on collision. (Take: g = 10N kg−1)
Can you tell?
Describe one natural chain of transformation of energy.