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A roller coaster car with a mass 700 Kilograms starts from rest at h1 above the...

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Physics

A roller coaster car with a mass 700 Kilograms starts from restat h1 above the ground and slides along a track. The carencounters a loop of radius 12 m. The bottom of the loop is aheight h2 = 5 m from the ground. What would be the maxheight of release h1 for the roller coaster car if theamount of thermal energy produced between the point of release andthe top of the loop should not exceed 15% of the initial mechanicalenergy and the normal force at the top should be no more than 580N? answer in meters

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