SOLUTION: a rocket is launched from atop a 102-foot cliff with an initial velocity of 158ft/s. substitute the values into the vertical motion formula h=-16t^2+vt+c. let h=0.use the quadratic

Question 637396: a rocket is launched from atop a 102-foot cliff with an initial velocity of 158ft/s. substitute the values into the vertical motion formula h=-16t^2+vt+c. let h=0.use the quadratic formula to find out how long after the rocket is launched it will hit the ground. round to the nearest tenth of a second. show work.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

h= -16t^2+vt+c

Question states***initial velocity of 158ft/s,launched from atop a 102-foot cliff

 -16t^2+ 158t + 102 = 0        || ax^2 + bx + c = 0

 

 

 

    x = 10.5 sec

 

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