Mathematics, 22.11.2019 18:31 robyn88
Suppose a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second. if air resistance is ignored, the rocket's h height after t seconds is given by the equation h = −16t2 +128t. how long will the rocket's flight last?
a) 6 seconds
b) 7 seconds
c) 8 seconds
d) 9 seconds
Answers: 1
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