A roller coaster reaches the top of the steepest hill with a
speed of 6.80 km/h....
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Physics
A roller coaster reaches the top of the steepest hill with aspeed of 6.80 km/h. It then descends the hill, which is at anaverage angle of 35° and is 56.0 m long. What will its speed bewhen it reaches the bottom? Assume µk = 0.16.
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Gravitational acceleration g 981 ms2Mass of the roller coaster MSpeed of the roller coaster at the top of the hill V1 68 kmhr 68 x 10003600 ms 1889 msAverage angle at which the
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