Solve the problem. An object of mass m is dropped from a helicopter. Assuming that air resistance is proportional to velocity, the velocity v of the object satisfies the equation dv k dt m v-8. Find velocity as a function of time. A v= (1-e-kt/m) B) v= mg (1-ekt/m) C) v = mg kt/m -e+ (D) v= mg (1-ekt/m)

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