The elevator starts from rest at the first floor of the
Chapter 12, Problem 12-41(choose chapter or problem)
The elevator starts from rest at the first floor of the building. It can accelerate at 5 ft>s 2 and then decelerate at 2 ft>s 2 . Determine the shortest time it takes to reach a floor 40 ft above the ground. The elevator starts from rest and then stops. Draw the at, vt, and st graphs for the motion.
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