All of the planets have at least one moon that is larger than pluto's. false true

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

What property of an object determines its inertia?