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April 17, 2015

April 17, 2015

Posted by **HELPPPPPPP** on Sunday, October 16, 2011 at 5:14pm.

A)WHAT IS THE HEIGHT OF THE CLIFF

B) HOW FAR FROM THE FOOT OF THE CLIFF DOES THE ROCK HIT THE GROUND

C)WHAT IS THE HORIZONTAL COMPONENT OF VELOCITY WITH WHICH HITS THE GROUND

D) WHAT IS THE VERTICAL COMPONENT OF VELOCITY WITH WHICH IT HITS THE GROUND

- PHYSICS -
**Henry**, Monday, October 17, 2011 at 5:32pmA. h = Vo*t + 0.5g*t^2,

h = 0 + 4.9*7^2 = 240m.

B. d = VT = 55m/s * 7s = 385m.

C. Vh = Vo + at = 55 + 0*7 = 55m/s.

D. Vv = Vo + gt = 0 + 9.8*7 = 68.6m/s.

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