Car A has a mass of 2000 kg and is going 28 m/s east. Car B has a mass of 4000 kg and is going 13 m/s west.
What will be the momentum of both cars together after the collision?

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

The energy equivalent of the rest mass of an electron is

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?