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A 55.0-g toy car is released from rest on a frictionless track with a vertical loop of radius R. The initial height of the car is h = 4.20R. (a) What is the speed of the car at the top of the vertical loop? (Use the following as necessary: R and g.) v = (b) What is the magnitude of the normal force acting on the car at the top of the vertical loop?

A 55.0-g toy car is released from rest on a frictionless track with a vertical loop of radius R. The initial height of the car is h = 4.20R. (a) What is the speed of the car at the top of the vertical loop? (Use the following as necessary: R and g.) v = (b) What is the magnitude of the normal force acting on the car at the top of the vertical loop?

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A 55.0-g toy car is released from rest on a frictionless track with a vertical loop of radius R . The initial height of the car is h = 4.20 R . (a) What is the speed of the car at the top of the vertical loop? (Use the following as necessary: R and g .)
v = ◻
(b) What is the magnitude of the normal force acting on the car at the top of the vertical loop? ◻

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