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23 Nov 2019
A roller coaster reaches the top of the steepest hill with aspeedof 5.4 km/h. It then descends the hill, which is at anaverageangle of 20o and is 60 m long. What will itsspeedbe when it reaches the bottom? Assume µk =0.1
A roller coaster reaches the top of the steepest hill with aspeedof 5.4 km/h. It then descends the hill, which is at anaverageangle of 20o and is 60 m long. What will itsspeedbe when it reaches the bottom? Assume µk =0.1