Each soccer ball has a mass of 3kg. A soccer player kicks one ball at a velocity of 14m/s, and it strikes a stationary ball. What is the final speed of the first ball if: a. The first ball stops moving after it strikes the second ball.
b. The first ball continues moving after the collision at 1.8m/s in the same direction.

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

How do you tell if someone actually cares about you? and just say they do?

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.