# Physics

What is the centre of mass if the mass of the earth is 81 times that of the moon and the distance between them is 384 Mm=60 rj ?

1. 👍 0
2. 👎 0
3. 👁 33

## Similar Questions

1. ### Physics

Calculate the distance, in m, of the centre of mass of the Earth-Moon system from the centre of the Earth. Note: the mass of the Moon is 7.35x10 22kg, the mass of the Earth is 5.98x10 24kg, and their separation is 3.85x10 8m.

asked by Amber on April 22, 2016
2. ### Physics

A spaceship is on a straight-line path between the Earth and the Moon. At what distance from (the centre of) Earth is the net gravitational pull on the probe from the Earth and the moon zero? Mass of Earth = 6×10^24 kg. Mass of

asked by Jim on August 14, 2015
3. ### Physics

If the mass of oxygen is 16 times as large as the mass of hydrogen, what is the distance between the centre of the oxygen atom and the centre of mass of the water molecule? (Note: 1 pm = 1 x 10-12 m).

asked by SA on February 21, 2019
4. ### Physics

A spaceship is on a straight-line path between the Earth and the Moon. At what distance from Earth is the net gravitational pull on the probe from the Earth and the moon zero? Mass of Earth = 6×10^24 kg. Mass of Moon = 7×10^22

asked by Yoyo on August 7, 2015
5. ### Physics

Just reposting. A spaceship is on a straight-line path between the Earth and the Moon. At what distance from Earth is the net gravitational pull on the probe from the Earth and the moon zero? Mass of Earth = 6×10^24 kg. Mass of

asked by Yoyo on August 8, 2015
6. ### gr 11 physics

as a rocket carrying a space probe acceleraes away from earth the fuel is being used up and the rocket's mass becomes less when the mass of a rocket(and its fuel) is M and the distance of the rocket from eart's centre is 1.5rE,

asked by mat on November 26, 2009
7. ### physics

This figure shows the force on a 0.1-kilogram mass at various distances from Earth. Notice that the force decreases as the square of the distance. Now, consider satellites A and B, both circling Earth. If A has ten times the mass

asked by Sue on October 9, 2016
8. ### physics

Question 6) Oil and gas exploration companies find new underground deposits by measuring (with incredible precision) the value of g at the Earth's surface. EXTRA INFO GIVEN: The challenge: F=Gm1m2/r^2 ONLY works for two cases:

asked by katie bornia on October 22, 2016
9. ### Physics

The mass of the Moon is 7.35x10 to the 22nd Kg. At some point between the Earth and the Moon, the for of Earth's gravitational attraction on an object is cancelled by the Moon's force of gravitational attraction. If the distance

asked by Renee =D on April 11, 2009
10. ### math

Earth's mass, in kilograms, is 5.97x10^24. the moon's mass is 7.34x10^22. How many times greater is Earth's mass (in scientific notation)?

asked by Michelle on March 14, 2013

More Similar Questions