What is the distance from the center of the Moon to the point between Earth and the Moon where the gravitational pulls of Earth and Moon are equal?
The mass of Earth is 5.97 1024 kg, the mass of the Moon is 7.35 1022 kg, the center-to-center distance between Earth and the Moon is 3.84 108 m, and G = 6.67 10-11 N m2/kg2.
A) 3.45 108 m B) 3.84 107 m C) 4.69 106 m D) 4.69 107 m E) 3.83 106 m
Question 2
If the radius of the Earth somehow increased with no change in mass, your weight would
A) increase.
B) not change.
C) decrease.
Animation of the apparent retrograde motion of Mars in 2003 as seen from Earth
Rivers on Mars and Earth
Moon Golf
Ischemic compression (i.e., direct pressure) to a trigger point in the trapezius muscle.
Use of a hand tool to apply pressure to a trigger point.
Foundations of Earth Science, 7th Edition