A 3.0 kg object moving at 2.0 m/s collides with a 1.0 kg object (that's at rest) and then comes to a stop. Determine the speed of the 1.0 kg object after the collision.​

How is the gravitational force related to the distance between two objects?

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm