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**1. What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to 14 R**

_{earth}before coming to rest momentarily?## Homework Equations

sqrt{2GM(\\frac{1}{R_e}-\\frac{1}{14R_e})}

## The Attempt at a Solution

G= 6.67x10^11

M=5.97x10^24

R_e=6.37x10^6

I get 2988 m/s I know its wrong but I gave it a shot. This is for online homework. Any help would be very nice. Thanks in advance