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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) t1/2 
b) t3/4
c) t3/2
d) t2
4 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
4 years ago
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