An object of mass m is moving with constant velocity v. How much work should be done in order to bring the object to rest?
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Answered by
10
work done = 1/2mv² ,using work-energy theorem
Answered by
11
W = Fs
so W = ma×s
W = m × v^2 -u^2/2s ×s
w = m × v^2 /2
as u = o
so W = ma×s
W = m × v^2 -u^2/2s ×s
w = m × v^2 /2
as u = o
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