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OpenStudy (followthefez):
Circular Motion Question: Peter has built the car track as shown in the sketch below. He releases the car with a mass of 100 g at point A from a height of 75.0 cm. The radius of the loop is 20.0 cm. Assume, that friction is negligible. Has the car the same speed everywhere in the loop, ie. do we have a uniform circular motion. Explain your answer!
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