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September 20, 2014

Homework Help: physics

Posted by Anonymous on Monday, April 15, 2013 at 8:54am.

A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 19.0 above the horizontal. The semi-trailer coasts to a stop after traveling 170 m along the ramp. What was the truck's initial speed? Neglect air resistance and friction.

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