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## Homework Statement

I am doing a lab report where I have to find a maximum range and at what angle it occurs. For the range equation I am using a range equation with the initial velocity, theta, g and h as variables. There clearly is a problem since my units do not match up, and I cant find what it is. h has to be zero since the projectile was shot at h=0. Eliminating h still doesn't solve the units problem, but the answer does conform more with my data, but still is 20% off.

## Homework Equations

V0=4 m/s

theta=45 deg.

## The Attempt at a Solution

http://img12.imageshack.us/img12/2074/gedc0204a.jpg [Broken]

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http://img842.imageshack.us/img842/9617/gedc0205.jpg [Broken]

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