Question: A roller coaster travels on a frictionless track as shown in Fig. 5.33. (a) If the speed of the roller coaster at point A is

A roller coaster travels on a frictionless track as shown in Fig. 5.33.

(a) If the speed of the roller coaster at point A is 5.0 m/s, what is its speed at point B?
(b) Will it reach point C?
(c) What minimum speed at point A is required for the roller coaster to reach point C?

5.0 m/s on 8.0 m 5.0 m

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