What was the trucks initial speed

Reference no: EM13281409

A semitrailer 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 12.5Â° above the horizontal. The semitrailer coasts to a stop after traveling 157 m along the ramp. What was the truck's initial speed? Neglect air resistance and friction.

Reference no: EM13281409

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