a ballof mass 200g falls through a height of 2km .its ke on reaching the ground is
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Hey how is it goin' ?
height=5m.mass=200g (0.2 kg)g=9.8m/s^2∴ potential energy=mgh = 0.2*5*9.8 = 9.8 J∵ P.E at the highest point= K.E at the lowest point (when it is just about to hit the ground)∴ K.E energy will be= 9.8 J
HOPE THIS HELPS YOU! :D
height=5m.mass=200g (0.2 kg)g=9.8m/s^2∴ potential energy=mgh = 0.2*5*9.8 = 9.8 J∵ P.E at the highest point= K.E at the lowest point (when it is just about to hit the ground)∴ K.E energy will be= 9.8 J
HOPE THIS HELPS YOU! :D
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