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from an elevation of 100 m above the horizontal plane, a projectile is launched at angle...

from an elevation of 100 m above the horizontal plane, a projectile is launched at angle of 25 above the horizontal. It strikes a target that has an horizontal range of 500m. Find the initial speed of the projectile
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Answer #1

From kinematic equation at the landing poit after flight time T vertically and R-v, T horizontally Substitute _- for T in fir

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