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26-04-2024
Physics

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A boy stands at 39.2m from a building and throws a ball which just passes through a window 19.6m above the ground. What is the velocity of the projectile of the ball?
a) 19.6 m/s
b) 24.5 m/s
c) 29.4 m/s
d) 34.2 m/s

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