a man of mass 50kg is standing in an elevator. If elevator is moving up with acceleration g/3, then work done by normal reaction of floor of elevator on man when elevator moves by a distance 12m is??? 2/ Acubical vessel of height 1m is full of water. The minimum work done in taking water out from vessel is to be find out???? REPLY FAST..............
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use the formula of f=ma. and calculate the work done by the formula f×s.u WL get the work done.
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