An object of mass, m is moving with a constant velocity. u.
How much work should be done on the object in order to bring
the object to rest?
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from a circular sheet of radius 10cm a circle of radius 4cm is removed find the area of the remaining sheet
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An object with mass 'm' moving with velocity 'V' has kinetic energy of 1/2 mv
In order to bring it to rest, its velocity has to be reduced to zero, and in order to
accomplish that, the kinetic energy has to be drained off and sent somewhere else.
An external force has to absorb energy from the object, i.e. do negative work on it,
equal to its kinetic energy,1/2 mv
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