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Energy possessed by a compressed spring is ______ energy.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
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 kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
Write the type of energy possessed in the following case:
A falling apple
Draw a diagram to show the energy changes in an oscillating simple pendulum. Indicate in your diagram how the total mechanical energy in it remains constant during the oscillation.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
What are the small particles that can be seen in a beam of light that enters a dark room?
A good fuel should possess:
