Thursday

August 21, 2014

August 21, 2014

Posted by **Erika** on Wednesday, November 14, 2012 at 4:59pm.

- Physics -
**Damon**, Wednesday, November 14, 2012 at 5:02pmdo vertical problem first to find time in the air which is twice the time going up

v = Vi - g t

0 at top = 20 - 9.8 t

t = 20/9.8

2 t = time in air = 40/9.8

Now how far horizontal at constant speed of 40?

40(40/9.8) = 1600/9.8

or about 160 meters

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