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

A projectile is shot straight up from the earth's surface at a speed of 1.10×10^4 km/hr

2. Relevant equations

mgh=.5mv^2

3. The attempt at a solution

I converted the speed to m/s and 3055.5556 m/s

masses cancel out so i get 9.8h=.5v^2

I plugged in v and solved for H and got 476347.95m, which was wrong.

I'm not sure if this is how you are supposed to solve this problem, but i can't think of any other ways.

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# A projectile is shot straight up from the Earth's surface

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