Object A has mass 1.00 kg and is initially moving to the right at 4.00 m/s. It collides with and sticks to object B, which also has mass 1.00 kg and is initially at rest. (a) Is the total momentum of the two objects just after the collision the same as just before the collision

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.

The inner planets or call terrestrial because they