A 75 kg father and his 45 kg daughter are ice skating on a nearly
frictionless pond. If they stand face to face at rest and push off one
another, the father attains a velocity of 1.5 m/s. What is the velocity of the
daughter? *

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.