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projectile motion

<p>a stone is thrown horizontally from a cliff 30m high with an initial speed of 20m/s, what is the velocity of the stone as it hits the ground?</p>
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Answer #1

vertical veloctiy at ground = v== 24.249 m/s apprx

horizontal velcity = 20 m/s

resultant velocity = sqroot( 29.249^2 + 20^2)=31.43 m/s apprx

answered by: bartosz
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