A force of 20N acts on a body of mass 1 kg at rest. The
work done in 8 sec. is
(1) 6400 J
(2) 3200 J
(3) 12800 J
(4) 19200 J
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A force of 20N acts on a body of mass 1 kg at rest. The
work done in 8 sec. is
(1) 6400 J
(2) 3200 J
(3) 12800 J
(4) 19200 J
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