Answered

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A ball thrown horizontally at v₁ = 30.0 m/s travels a horizontal distance of d = 57.0 m before hitting the
ground. From what height h was the ball thrown?

Sagot :

Answer:

17.7 m

Step-by-step explanation:

57 m / 30 m/s = time in the air = 1.9 s

vertical drop for 1.9 s

 vertical d = 1/2 a t^2 = 17. 7 m

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