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a projectile returns to its original height after 4.08 seconds, during which tie it travels 6.2 meters horizontally. If air resistance is ignored, what was the projectile's initial speed?
7 years ago

Answers

Scott
horizontal velocity (vh) = 6.2 m / 4.08 s

initial vertical velocity (vv)
... = (4.08 s / 2) * g

(initial speed)^2 = vh^2 + vv^2
7 years ago

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