Help with Multi-Step Physic Problem: Potential Energy & Velocity?

Posted on 2014-12-03 07:11:00 in Physics by ANIKE

It would be appreciated if steps and units were included:

A 550 kilogram bobsled is at the top of a hundred meter tall hill

A. what is a bobsleds gravitational potential energy at the top

B what is the bobsled velocity at the bottom of of there if there is no friction

C if the length of the hill is 200 meters and the coefficient of friction is 0.25 what would the bobsled velocity be at the bottom .

D there is a 15 meter radius at the bottom of the hill will the bobsled go around the loop without falling off the track?

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