# A ball with a mass of #9 kg # and velocity of #2 m/s# collides with a second ball with a mass of #3 kg# and velocity of #- 5 m/s#. If #10%# of the kinetic energy is lost, what are the final velocities of the balls?

##### 1 Answer

Jul 29, 2018

#### Answer:

The solution is

#### Explanation:

There is conservation of momentum

Plugging in the above values

Plugging the data

Solving equations

graph{(3x+y-1)(3x^2+y^2-33.3)=0 [-18.02, 18.03, -9.01, 9.01]}

The solutions are

The second solution is discarded