Question

( frac{d v}{d t}=a-b v )
( int frac{d v}{a-b v}=int d t )
( -frac{log |a-b u|}{a-b v}=a e^{-b t} )
( s 0 ; quad v=frac{aleft(1-e^{-b t}right)}{b} )

# C. x-t curve has a maximum at 2s D. both A and C are correct 7. The motion of a body falling from rest in a resisting medium is described by the equation dv/dt = a-by, where a and b are constants. The velocity at any time tis A. a(1-b2t) B. [a(1-e-bt)]/b C. abe-t D. ab2(1-t)

Solution