1.

How much energy is gained by a box of mass 20 kg when a man (a) carrying the box waits for 5 minutes for a bus? (b) ruins carrying the her with a speed of 3 m s^(-1) to catch the bus? (c) raises the box by 0.5 m in order to place it inside the bus? 10 m s^(-2)

Answer»

Solution :(a) ZERO (B)90 J (c )100 J


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