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as you kick a soccer ball with 8 m/s at an angle of 40, how long does it take to get to the highest point

Respuesta :

MathPhys

Answer:

0.5 seconds

Explanation:

Remember, at the highest point, a projectile's vertical velocity is 0.

Given:

v₀ = 8 sin 40° m/s

v = 0 m/s

a = -9.8 m/s²

Find: t

v = at + v₀

0 = -9.8t + 8 sin 40

t = (8 sin 40) / 9.8

t ≈ 0.5

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