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OpenStudy (anonymous):

A roller coaster has mass of 1505 kg. at the lowest point on its run the roller coaster is 5.0m off the ground. and at the highest is 62m. what is the speed of the roller coaster at the lowest point? please help :(

OpenStudy (anonymous):

the gravitational energy is 914 438 *** sorry i forgot to include this

OpenStudy (anonymous):

9.8 * 1505*(difference in distance)=m*v^2*.5 solve for v

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