Question

There were 4200 people at a concert and 1400 of these were female . what percentage were male​

Answer 1

Step-by-step explanation:

Two hockey players are about to collide on the ice. One player has a mass of 66 kg and is traveling at 1.5 m/s north. The other has a mass of 75 kg and is

traveling at 1.2 m/s south. The system consists of the two tlockey players.

According to the law of conservation of momentum, what is the total

momentum of the system after they collide? Assume the collision is an

elastic collision.

A. 189 kg-m/s south

O B. 9 kg-m/s north

C. 189 kg. m/s north

D. 9 kg m/s south