Physics Kinematics question
Attachments:
Answers
Answered by
1
vertical:
hf=hi+vi*sin53*20-4.9*20^2
hf=0 hi=800
max height:
mgh=1/2 m (vi*sin53)^2
solve for h, then add initial 800m altitude.
solve for vi
Horizontal:
horiz distance=vi*cos53*20
Velocity at impact
1/2 m vi^2+mg*800=1/2 m vf^2
solve for vf
hf=hi+vi*sin53*20-4.9*20^2
hf=0 hi=800
max height:
mgh=1/2 m (vi*sin53)^2
solve for h, then add initial 800m altitude.
solve for vi
Horizontal:
horiz distance=vi*cos53*20
Velocity at impact
1/2 m vi^2+mg*800=1/2 m vf^2
solve for vf
Similar questions