A body is thrown with a velocity of \( 9.8 \) m/s making an angle of \( 30^\circ \) with the horizontal. It will hit the ground after a time:
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The total time of flight for projectile motion is:
\[
T = \frac{2 u \sin \theta}{g}
\]
This formula is useful for determining how long a projectile remains in the air.