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A 500 kg roller coaster starts from rest at point A (Fig. 6.29) and rolls freely (no friction) to point B where the brakes are...Asked by Salvador Dinga
A 540 kg roller coaster starts from rest at point A (Fig. 6.29) and rolls freely (no friction) to point B where the brakes are applied and it slides along horizontally with a frictional force of 520 N. How far does the coaster slide past point B before coming to rest? Height of A is 30m height of B is 10m
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Answered by
R_scott
m * g * h = f * d
540 * 9.8 * 20 = 520 * d
540 * 9.8 * 20 = 520 * d