Question: The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of v = 4.0

The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of v = 4.0 m/s, what is the largest value that the radius r can have if the car is to remain in contact with the circular track at all times?

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