Question

A motorcycle stunt rider must jump a 100m wide canyon given a 20° ramp positioned on either side. What minimum speed is required so the rider will clear the canyon?

Answer 1

Vicos20*timeinair=101meters
solve for time in air.

hf=hi+viSin30*timeinair-4.9time^2
solve for vi. Hf=hi=0

Answer 2

50 m/s