Speed of the apple

Classical Mechanics Level pending

A mango fruit falls from a branch 3 meters above the ground.With what speed in meters per second will it strike the ground? Assume g = 9.81 m/s 2 g = 9.81 \text{ m/s}^2 .

4.67 m/s 7.67 m/s 6.67 m/s 8.67 m/s

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1 solution

V 2 = V o 2 + 2 g h V^2 = Vo^2 + 2gh

since it is a free fall, Vo = 0

V 2 = 0 2 V^2 = 0^2 + + 2 ∗ 9.81 ∗ 3 2*9.81*3

V = 7.67 m / s V = 7.67 m/s

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