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a stream of water flowing horizontally with a speed 15 ms^-1 , gushes out of a tube (cross sectional area 10^-2 m^2) and hits a vertical wall directly opposite. what is the force exerted on the wall by the water , assuming it does not rebound? (given: density of water 10^3 kg m^-3)
diti
on 2012-09-26 09:30:00follow it.. volume of water striking wll/s=velocity x area =0.15m^3s^-1 mass of water hittng wll/s=PxvxA =1ooox0.15=150kg s^-1 initial momntm of watr/s=150x15=2250 kg ms^-1 final=0 force=diff in momntm=2250N.. thnx bolna mt bhulna..baccha ghosh