- #1
physicznoob
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Homework Statement
This question is something we got in our review booklet and I HATE projectile motion.
An object is thrown horizontally with a velocity of 18 m/s from the top of a cliff. If the object hits the ground 100 m from the base of of the cliff, how high is the cliff?
Homework Equations
d = v1t + 1/2at^2, v = d/t
The Attempt at a Solution
I try to break it up into components(vertical and horizontal) but nothing seems to work.
I used the equation d = 1/2v1 + 1/2at^2 to solve for t, because obviously the initial velocity is 0 m/s, but i end up with a far-fetched answer.