Question

an object is moving with a uniform velocity V if mass of the object is m, then calculate the work done in bringing the object to rest.

Answer 1

MASS (M) IS MOVING WITH CONSTANT VELOCITY (V),

SO, THE KINETIC ENERGY OF AN OBJECT = 1/2 MV2

TO BRING THE OBJECT TO REST, THE AMOUNT OF WORK SHOULD BE DONE IS EQUAL TO ITS KINETIC ENERGY, I.E.  1/2 MV2


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