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The roller coaster trolley of mass m=1100 kg with zero initial speed reaches a vertical height of only 25 m above the second hill before

The roller coaster trolley of mass m=1100 kg with zero initial speed reaches a vertical height of only 25 m above the second hill before stopping. If the average frictional force was 370 N. Calculate the distance which it traveled if the coefficient of kinetic friction is ?k = 0.4.

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T - 2 40 m 1425 m-# - 1 y= 0

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