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25 September, 18:09

A rocket is launched from the top of a 99-foot cliff with an initial velocity of 122 ft/s. a. Substitute the values into the vertical motion formula h = - 16t2 + vt + c. Let h = 0. b. Use the quadratic formula to find out how long the rocket will take to hit the ground after it is launched. Round to the nearest tenth of a second.

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  1. 25 September, 18:31
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    I think it'd be 9 seconds, not 100% sure though.
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