A 0.50 kg ball traveling at 6.0 m/s collides head on with a 1.00 kg ball traveling -12.0 m/s. After the collision, the 0.50 kg ball
moves away at -14 m/s. What is the velocity of the second ball after the collision?
after the collision?

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

The material that keeps its new shape after it is stretched is called?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.