Earth has a mass of 6.0 x10^24 kg and the moon 7.3 x 10^22 kg.The center of the moon is 238,900 miles from the center ofEarth.
The moon goes around the Earth-Moon center of mass with a speedof 2,288 miles per hour (3,683 kilometers per hour).
a.)What is the orbital speed of Earth in the Earth-Moon centerof mass frame (total momentum is zero)? Please, give youranswer in meters per second.
b.) Using the formula for centripetal force, what is the forceof gravity exerted by the Earth on the Moon?
c.) Using the formula for centripetal force, what is the forceof gravity exerted by the Moon on Earth?