# physics

What two facts did Newton need to be able to calculate the acceleration of the Moon?

1) the distance to the Moon and the diameter of the Moon.

2) the time it takes the Moon to make one revolution and the distance from the Earth to the sun.

3) the diameter of the Moon and the diameter of Earth.

4) the diameter of the Moon and the speed of the Moon's rotation.

5) the distance to the Moon and the time it takes the Moon to make one revolution.

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