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The motion of a body falling from rest i...

The motion of a body falling from rest in a resistive medium is described by the equation `(dv)/(dt)=a-bv`, where a and b are constants. The velocity at any time t is

A

the initial acceleration is A

B

The initial acceleration is B

C

The magnitude velocity at which acceleration becomes zero is `A//B`

D

The velocity at any time `t` is `V=(A)/(B)(1-e^(-Bt))`

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