posted by Tom .
A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period?
What is the power of the elevator motor during an upward cruise with constant speed?
2nd part...(ma)(v0 + 1/2at)
a = 9.8
Havent figured out first part either