A projectile is launched from ground level at an angle of 50.0° 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?
A)
8.12 s
B)
2.35 s
C)
4.69 s
D)
6.44 s
E)
11.3 s
C
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