Solution:
Power = Constant (K)
F.v= K
⇒m.(dv/dt).v = K
⇒m.v.dv = K.dt
Integrating we get,
⇒∫m.v.dv=∫K.dt
⇒ mv²/2 = Kt
so, V α t½
A body is being moved from rest along a straight line by a machine delivering constant power. The speed of body in time t is proportional to
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