KE lost=GPE gained
1/2 m v^2=mg(110*sin17)
solve for v.
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 17.0° above the horizontal. The semi-trailer coasts to a stop after traveling 110 m along the ramp. What was the truck's initial speed? Neglect air resistance and friction.
3 answers
500m/s
yes
0 answers