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  3. a car of a roller coaster has a total mass of 1000

A car of a roller coaster has a total mass of 1000 kg including the passenger....

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Civil Engineering

A car of a roller coaster has a total mass of 1000 kg includingthe passenger. At position A (the top of the first incline), itcruises at 2m/s.

  1. Calculate its velocity at position C at the top of the secondincline which is 5 m below the top of the first incline, if thereare no losses due to friction on the track or air drag.
  2. Calculate the average resistance force (due to friction anddrag) between points A and C if its speed at C is 8m/s. The totallength of the track between points A and C is 45m.

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