posted by lost .
The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing.
a. speed of boat when leaves ramp (assume that engine turned off once boat hits ramp)
b. what is the speed of the boat when it hits the water again. (neglect air resistance)