Asked by Keonn'a: Please help me ?
A bullet is fired straight up from a gun with initial velocity 1120 feet per second at an initial height of 8 feet. Use the formula h=−16t2+v0t+8 to determine how many seconds it will take for the bullet to hit the ground. (That is, when will h=0?) Round your answer to 2 decimal places.
Answers
Answered by
Scott
0 = -16 t^2 + 1120 t + 8
0 = -2 t^2 + 140 t + 1
use the quadratic formula to find t
0 = -2 t^2 + 140 t + 1
use the quadratic formula to find t
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