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Grade: 12th pass

                        

A body is move along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to a) t 1/2 b) t 3/4 c) t 3/2 d) t 2

6 years ago

Answers : (1)

bharat bajaj
IIT Delhi
askIITians Faculty
122 Points
							P = F.v = constant
ma.v = k
Mv dv/dx. v=k
x is proportional to v^2
dx/dt = k(x)^0.5
So x is proportional to t^2

D) is the answer

Thanks
Bharat Bajaj
Askiitians faculty
6 years ago
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