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प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving cricket ball
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उत्तर
Kinetic energy (K)
संबंधित प्रश्न
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
Write the type of energy possessed in the following case:
A moving cricket ball.
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
Give one example when:
Electric energy changes to potential energy.
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
