Alex throws a 0.25-kg rubber ball down onto the floor. The ball's ...

[kodithompson]

Alex throws a 0.25-kg rubber ball down onto the floor. The ball's speed just before impact is 4.5 m/s, and just after is 2.9 m/s. What is the change in the magnitude of the ball's momentum?
 a. 0.39 kg/m/s
  b. 1.9 kg/m/s
  c. 1.1 kg/m/s
  d. 0.73 kg/m/s
  e. 7.4 kg/m/s

Question 2

A 0.10-kg ball is moving at 7.0 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 12.0 m/s. What is the change in the magnitude of the momentum of the ball?
 a. 0.50 kg/m/s
  b. 5.0 kg/m/s
  c. 0.70 kg/m/s
  d. 1.9 kg/m/s
  e. 1.2 kg/m/s

[Chelseyj.hasty]

Answer to Question 1

b

Answer to Question 2

d

[kodithompson]

Thanks for the timely response, appreciate it

[diana chang]

Great answer, keep it coming