A-ball-is-thrown-vertically-upwards-with-a-velocity-of-10m-s-from-a-point-75-m-above-the-ground-Calculate-the-velocity-with-which-it-hits-the-ground-

Tinku Tara July 10, 2023 Vector 0 Comments

Question Number 194602 by byaw last updated on 10/Jul/23

A ball is thrown vertically upwards with a velocity of 10m/s from a point 75 m above the ground. Calculate the velocity with which it hits the ground.

Answered by mr W last updated on 14/Jul/23

v_2 ^2 =v_1 ^2 +2gh=10^2 +2×10×75=1600 ⇒v_2 =40 m/s

v_{2}^{2} = v_{1}^{2} + 2 g h = 10^{2} + 2 \times 10 \times 75 = 1600

\Rightarrow v_{2} = 40 m / s

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