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OpenStudy (anonymous):
An object is launched from ground level with an initial velocity of 400 feet per second. To the nearest tenth of a second, how long does it take the object to reach a height of 650 feet? [Use the formula h = -16t2 + v0t + s0.] A) 1.3 seconds B) 1.7 seconds C) 2.1 seconds D) 2.5 seconds
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OpenStudy (anonymous):
It's D...I think
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