Physics, 26.03.2021 23:20, ani61

A projectile is launched from ground level at an angle of 60.0° above horizontal with a speed of 30.0 m/s. If the projectile is moving over level ground, how long is it in the air before it again contacts the ground?

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A projectile is launched from ground level at an angle of 60.0° above horizontal with a speed of 30....