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A stone thrown horizontally from the top of a 24-m tower hits the ground at a...

A stone thrown horizontally from the top of a 24-m tower hits the ground at a point 18 m from the base of the tower. (Ignore any effects due to air resistance.) (a) Find the speed at which the stone was thrown. (b) Find the speed of the stone just before it hits the ground.

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Height of towenCH)- 24m 9 tu Honizontal nange (R18m 24m Vy K18m Vy Velocity vecton a Becmcdls of time, v v Ca) To fnd tnibhal spead w f Ventcal displacomunt on suactuing ean th is Height o touuen, hanca, using g-uttat s-H y o,a t Time of fight 1.5 T 4847 T-2.21 +Horizontal displa coment on veachin Given R=18m and R=uxT 2-2 u8145m) b) Speed ơngeaching the ground, V-Tutge- t-T 166-뢰 +467.06 :、535-4 23.138 ms N

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