View Single Post
Simon777
#1
Sep6-11, 08:48 PM
P: 35
1. The problem statement, all variables and given/known data
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. There is a 15. m drop and the horizontal distance originally planned was 60. m but it turns out the canyon is really 69.4 m across. If he desires a 3.0-second flight time, what is the correct angle for his launch ramp (deg)?


2. Relevant equations
vx = vxo

x − xo = (vox)t

(vy) = (vyo) − gt

y − yo = (voy)t −(1/2)g t^2

Range =((vo^2)/g) sin(2θ)

3. The attempt at a solution
x − xo = (vox)t
69.4m = (vox)(3s)
23.13 m/s = vox

Range =((vo^2)/g) sin(2θ)
69.4m ={ (23.13^2 m/s)/9.81 m/s^2 } sin(2θ)
θ = error
Phys.Org News Partner Science news on Phys.org
Security CTO to detail Android Fake ID flaw at Black Hat
Huge waves measured for first time in Arctic Ocean
Mysterious molecules in space