A projectile is launched off a cliff 20.0 m above ground level.If the initial velocity is 15.0 m/s i(there is no initial y-componet) how long is it in the air for?
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A projectile is launched off a cliff 20.0 m above ground level.If the initial velocity is 15.0 m/s i(there is no initial y-componet) how long is it in the air for?
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