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A body of mass m falls from rest through the air. A drag force D = bv 2 opposes the motion of the body. (a) What is the initial downward acceleration of the body? (b) After some time the speed of the body approaches a constant value. What is this terminal speed V r ? (c) What is the downward acceleration of the body when V = v T /2?

A body of mass m falls from rest through the air. A drag force D = bv2 opposes the motion of the body. (a) What is the initial downward acceleration of the body? (b) After some time the speed of the body approaches a constant value. What is this terminal speed Vr? (c) What is the downward acceleration of the body when V = vT/2?

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
8 years ago
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