Escape Speed from Earth for 7500kg Spacecraft

[kubombelar]

what is the escape speed from Earth for a 7500kg spacecraft ?
radius of Earth is 6.38*10m and mass is 5.98*10kg.

Homework Equations

square root of 2GM/R

3. The Attempt at a Solution . I found escape speed to be 3.4*10ms. Is this right?

 

[Jimmy]

The radius of the Earth is 6.371x10⁶ m.
The mass of the Earth is 5.9742x10²⁴ Kg.

Your answer is not correct.

 

[kubombelar]

jimmy those were the given values in my test. And am still finding the same answers with yo values

 

[Doc Al]

I found escape speed to be 3.4*10ms.

Show the details of your calculation. (Including the exponents!)

 

[Jimmy]

What value are you using for G?

G is approximately 6.673x10^-11 m³/kg*s²