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splac6996
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Homework Statement
A projectile is shot straight up from the Earth's surface at a speed of 1.40×10^4 . How high does it go?
Homework Equations
potential energy is given by (GM(1)M(2))/R
The Attempt at a Solution
I attempted to solve this using energy conservation equation and solving for r which I thought would be the radius of the Earth plus the distance traveled by the projectile. By subtracting the radius I thought I would get the distance traveled but my answer is wrong can someone help please