Escape from Planet Earth

Score: 2 Points




Suppose, you want to spend some days somewhere outside the Planet you live. You have chosen a massive planet named Earth for spending some nice moments. At the end of your vacation, you want to come back home. During the flight, your altitude is $h$ above the surface of Earth, and your velocity at the $h$ altitude is $5\frac{km}{s}$. The escape velocity is $3\frac{km}{s}$ from the h altitude. What will be your speed at very very far from the planet Earth?

Assume that you have lost your way back home.


Did you watch Escape from Planet Earth?

Don't insert the unit.


Astrophysics

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First Solve @Tesla

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