A steel ball of mass 0.5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s.When it falls back on the ground at the base of the building,it gets buried in sand to a depth of 0.2 m.Determine: the average resistance force that sand exerts on the ball.

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The Answer of A steel ball of mass 0.5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s.When it falls back on the ground at the base of the building,it gets buried in sand to a depth of 0.2 m.Determine: the average resistance force that sand exerts on the ball.

A Steel Ball of Mass 0