Name the type of energy (Kinetic or potential) possesed by the following :
(a) A moving cricket ball.
(b) A stone at rest on the top of a building
(c) A compressed spring.
(d) A moving bus.
(e) A bullet fired from a gun.
(f) Water flowing in a river.
(g) A stretched rubber band.
Name the form of energy (kinetic energy K or potential energy U) possessed in the following cases:
(a) A moving cricket ball
(b) A compressed spring
(c) A moving bus
(d) A stretched wire
(e) An arrow shot out of a bow
(f) A piece of stone placed on the roof.