13-11-2019
Physics

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How long does it take an object thrown in the air with a velocity of 4.5m/s to reach its maximum height

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14-11-2019

Answer:

0.46 s

Explanation:

At the maximum height, the velocity is 0.

Given:

v₀ = 4.5 m/s

v = 0 m/s

a = -9.8 m/s²

Find: t

v = at + v₀

(0 m/s) = (-9.8 m/s²) t + (4.5 m/s)

t = 0.46 s

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