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## Homework Statement

A rocket of mass 1.5 x 10^6 kg is launched upward from the surface of the Earth (mass ME = 5.97 x 10^24 kg, radius RE = 6.38 x 10^6 m) with a speed of 0.5 x 10^4 m/s. The rocket will reach a maximum altitude above the surface of the Earth of

## Homework Equations

I thought I can solve it with the basic kinematic equations

v^2=v0^2+2*a*delta(x)

## The Attempt at a Solution

the right answer is 6.061*10^6m (according to the online quiz)

but I can't reach that conclusion using the equation

I'm not using the earth's radius or mass

enlighten me plz