Question

A bullet is fired with an initial velocity of 100 m/s at an angle of 30° from the level ground. Determine the amount of time the bullet spends in the air.
time to get to the top of the arc is when
50-9.8t = 0
now double that to get back to the ground.
because the initial velocity up is 100 sin 30 = 50 m/s
and the horizontal problem is irrelevant unless they ask for the range next.

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