a ball of mass 1kg falls from a height of 5m above the free surface of water . the relative density of the solid ball is s=2/3 .the ball travels a distance of 2m under water and becomes stationary. the work done by the resistive forces of water is
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use the formula if v=u+at
then use w=fs
then work done = change in ke
the and is in the picture
then use w=fs
then work done = change in ke
the and is in the picture
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