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Physics 15 Online
OpenStudy (anonymous):

1.A ski lift carries people along a 220-meter cable up the side of a mountain. Riders are lifted a total of 110 meters in elevation. What is the ideal mechanical advantage of the ski lift? 2.The ideal mechanical advantage of a machine is 3.2 and its output distance is 2.5 meters. What is the input distance? Include the correct units with your answer. 3.Paco rode his skateboard up a ramp for a distance of 3.8 meters. If the ideal mechanical advantage of the ramp is 2, how far above the ground was Paco? Include the correct units with your answer.

OpenStudy (anonymous):

I need help with my homwork

OpenStudy (anonymous):

anybody out there?!?!?!?!?!? .-.

OpenStudy (anonymous):

im not sure but i think for #1 the answer is 2 percent

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