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Mathematics, 13.07.2021 21:00 alexcuevaz90

Guided Practice Use the vertical motion formula h = –16t2 + vt + c.

A child tosses a ball upward with a starting velocity of 10 ft/s from a height of 3 ft. Substitute the values into the vertical motion formula and let h = 0. Use the quadratic formula to solve for t. How long is the ball in the air?

A.
0.8 s

B.
0.8 s or –0.2 s

C.
0.2 s

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Guided Practice Use the vertical motion formula h = –16t2 + vt + c.

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