Homework Help: physics

Posted by Anonymous on Sunday, October 28, 2007 at 1:38pm.

A 650kg elevator starts from rest. It moves upward for 3s with constant acceleration until it reases its cruising speed, 1.75m/s. (a) what is the average power of the elevator motor during this period? (b) How does this compare with its power during an upward cruise with constant speed?

physics - drwls, Sunday, October 28, 2007 at 1:43pm
I will be glad to critique your thoughts and your work. It is not our policy to do your homework for students here.
physics - Jeannette, Sunday, October 30, 2011 at 10:20pm
I am not asking for the answer I just need help on figuring it out

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