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## Homework Statement

a motorboat of mass m moves along a lake with velocity Vi. at the moment t=0 the engine of the boat is shut down, assuming the resistance of water to be proportional to the velocity of the boat f= -rv , find the velocity of the boat as a function of time

## Homework Equations

ƩF = ma

a = dv/dt

## The Attempt at a Solution

ƩF = ma

- mg - rv = ma

dv/dt = (-mg - rv)/m

am not sure if i am going the right way or not