- 108

- 0

**1. Homework Statement**

A spaceship makes a trip from the earth to the moon 380,000 km awawy. at what point in the trip will the gravitational field be zero ? the mass of the moon is about 1/81 that of the earth

**2. Homework Equations**

Fg = Gm1m2 / r^2

**3. The Attempt at a Solution**

ummmmmm i know that the distance is 380,000,000m

the mass of the moon is 1/81 of the moon the mass

of the earth, but i don't know any equation which

will give me a gravitational field of 0 and i don't know

the mass of the spaceship......... what do i do??