Q. Calculate the location of the center of mass of the Earth-Moon-Sun system during a full Moon. A full Moon occurs when the Earth, Moon, and Sun are lined up. Use a coordinate system in which the center of the sun is at x=0 and the Earth and Moon both lie along the positive x direction.
Q. Initially sliding with a speed of 2.3 , a 1.9 block collides with a spring and compresses it 0.41 before coming to rest.What is the force constant of the spring?