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AdminEnlightened

Asked: September 16, 2020In: Mechanical Physics

A ball thrown vertically from a moving vehicle

A person sitting in an open vehicle moving at a constant velocity throws a ball vertically up into air. Where does the ball fall? Explain your answer.

Mr MusembiBegginer

Asked: September 2, 2020In: Mechanical Physics

Work Done on Horizontal Plane

A girl carries 20 litres in a Jerry can on her head and walks for 200 metres on a horizontal level ground. Explain why the girl does no work (Assume air resistance is negligible).