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a load w is to be raised by a rope from rest to rest through a height h.the greatest tension the rope can safely bear is nw.the least time in which the ascent can be made will be _____?

a load w is to be raised by a rope from rest to rest  through a height h.the greatest tension the rope can safely bear is nw.the least time in which the ascent can be made will be _____?

Grade:11

1 Answers

Abhishek Kumar
askIITians Faculty 255 Points
7 years ago
time taken can be calculated using kinematics equation where
s =h
a=T/m (m is the mass of the body and T=ma )
u =0
Differentiate the equation with respect to T and get the answer.

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