a projectile is fired from the ground with an upward speed of 245 m/s. after how many seconds will it return to the ground? use the formula h = vt - 4.9^2

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asked Mar 19, 2019 123k views

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a projectile is fired from the ground with an upward speed of 245 m/s. after how many seconds will it return to the ground? use the formula h = vt - 4.9^2

Mathematics
high-school

Lostfields asked

by Lostfields

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1 Answer

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WORK:

Solving for t:

245 - 4.9t = 0

-4.9t = -245

t = -245/-4.9

t = 50 seconds

Kaleb Pederson answered Mar 25, 2019

by Kaleb Pederson

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