Asked by dhwanil
a ball of mass 200gm travelling at 20m/s is hit back with a velocity of 30 m/s .if the force lasts for 0.1sec ,find force and change in momentum
Answers
Answered by
bobpursley
force*time=changeinmomentum=.2*(20-(-30)
force=.2(50)/.1=100N check that
force=.2(50)/.1=100N check that
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