Question: Suppose the roller coaster in Fig. 641 passes point 1 with a speed of 1.70 m/s. if the average force of friction is equal to

Suppose the roller coaster in Fig. 6—41 passes point 1 with a speed of 1.70 m/s. if the average force of friction is equal to one-fifth of its weight, with what speed will it reach point 2? The distance traveled is 45.0m.

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