Question 4
7 pts
Marta has a radio in her room. It requires electricity in
order to play. Which of the following is necessary in order
for electricity to move from the source to the radio?

d they tend to lose electrons and become cations.

explanation:

less than one you can't create energy

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.