Posted by **Jasmin** on Saturday, October 6, 2012 at 9:29am.

2. A person would like to jump over a river using a motorcycle and a ramp. The frictionless ramp is inclined at an angle of 42.5 degrees, has a length of 52 meters, and the motorcycle's engine produces a constant force of 915 Newton’s directed up the ramp, parallel to the ramp. The width of the river is 285 meters, and the landing on the other side of the river is at the same height at the end of the ramp. If the motorcycle is to just barely make it across the river and it's total mass is 66.4 kg, what is should the magnitude of the motorcycle’s velocity be at the bottom of the ramp in m/s?

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