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Introductory Physics Homework Help
Projectile motion rock off a cliff
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[QUOTE="maddief, post: 4582137, member: 493843"] [h2]Homework Statement [/h2] A rock is thrown down off a cliff at 18 m/s at an angle of 17 below the horizontal. If the rock hits a cliff that is 16m away, how far down did the rock fall. [h2]Homework Equations[/h2] Vf= Vi + at change in Y= Vit + .5at^2 [h2]The Attempt at a Solution[/h2] I tried solving for time and then plugging that back into the equations and I kept getting -3.87. Please help! [/QUOTE]
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Introductory Physics Homework Help
Projectile motion rock off a cliff
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