(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A star in the long jump goes into the jump at 12 m/s and launches herself at 20.0 degrees above the horizontal. How long is she in the air before returning to Earth? (g=9.81 m/s2)

2. Relevant equations

first I look for the v0(cos) and then I look for vfy= v0(sin)

I used vfy/g and I don't get the answer. I have the answer which is .83 s

but I can't get it on my own...

3. The attempt at a solution

I used vfy/g to get the time, but I don't get the correct answer I get .4

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# Homework Help: Projectile Motion

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