A cart starts from rest at the top of a roller coaster that is
40 meters...
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Physics
A cart starts from rest at the top of a roller coaster that is40 meters high. It descends down the first hill all the way toground level before heading into a vertical circular loop withdiameter 20 meters. What is the minimal H(height of the initialhill) needed in order for the cart to just barely make it over thetop of the loop?
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4.2 Ratings (503 Votes)
At the top of the circularloop Normal force N 0let v be the velocity at the top of the circular loop and m brthe mass of the cartso
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