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WORK= Force x displacement (Displacement= height)

F) KINETIC ENERGY- the amount of work the object can
do because of its motion.

KE= 1/2mv2 m=mass; v= velocity

KE = Joules (J)

1. You serve a volley ball with a mass of 2.1 kg. The ball leaves your
hand at 30m/sec. Calculate the kinetic energy of the ball.


Sagot :

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