A roller coaster reaches the top of the steepest hill with
A roller coaster reaches the top of the steepest hill with a speed of 6.8 kilometer per hour. It then descends the hill, which is at an average angle of 40o and 45 meter long. Determine what will its speed be when it reaches the bottom?
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a block of mass 30 kilogram slides toward the right on a frictionless surface with v0 75 ms at x 0 meter it comes
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a roller coaster reaches the top of the steepest hill with a speed of 68 kilometer per hour it then descends the hill
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if we increase the intensity of a sound wave by a factor of ten thousand obtain how much have we increased the loudness
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