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The highest barrier that a projectile can clear is 14.5 m, when the projectile is launched at an angle of 31.0 ° above the hori...Asked by obinna
The highest barrier that a projectile can clear is 13.8 m, when the projectile is launched at an angle of 14.9° above the horizontal. What is the projectile's launch speed?
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Answered by
cole
v^2=2(9.8)(13.8)/sin(14.9)
=32.43
=32.43
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