A freight elevator moving upward with a constant velocity of 6 ft/s passes a passenger elevator… 1 answer below »

A freight elevator moving upward with a constant velocity of 6 ft/s passes a passenger elevator which is stopped. Four seconds later the passenger elevator starts upward with a constant acceleration of 2.4 ft/s2 . Determine (a) when and where the elevators will be at the same height, (b) the speed of the passenger elevator at that time.