the distance time graph of an object of mass 2kg moving along a straight line is shown. The net work done on the object in first four seconds is:
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From the graph,
acceleration = 5 m/s²
mass = 2kg
Force = ma= 10N
displacement = 3.8m
work done = 10*3.8 = 38J
acceleration = 5 m/s²
mass = 2kg
Force = ma= 10N
displacement = 3.8m
work done = 10*3.8 = 38J
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