Monday
November 24, 2014

Homework Help: Physics

Posted by Stuck on Monday, July 12, 2010 at 9:56pm.

"A roller coaster reaches the top of the steepest hill with a speed of 1.4m/s. It then descends the hill which is at an average angle of 45 degrees and is 50m long. What will its speed be when it reaches the bottom?"

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