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January 26, 2015

January 26, 2015

Posted by **Sami** on Thursday, September 5, 2013 at 5:56pm.

- physics -
**Steve**, Thursday, September 5, 2013 at 7:35pmy = h + tanθ x - g/(2(vcosθ)^2) x^2

so, plug in x=10:

y = 1.8 + 2.144x - .580x^2

= 1.8+21.44-5.80

= 17.44

you can also use time, but it takes a bit more work:

Vx = 20 cosθ

use that to find t = 10/Vx

Vy = 20 sinθ

y = 1.8 + Vy t - 4.9t^2

If you churn it out, it should come out the same.

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