A very light ping-pong ball moving east at a speed of 4 m/s ...

[Alygatorr01285]

A very light ping-pong ball moving east at a speed of 4 m/s collides with a very heavy stationary bowling ball. The Ping-Pong ball bounces back to the west, and the bowling ball moves very slowly to the east.
 
  Which object experiences the greater magnitude impulse during the collision?
  A) the Ping-Pong ball
  B) Neither; both experienced the same magnitude impulse.
  C) the bowling ball
  D) It is impossible to tell since the actual mass values are not given.
  E) It is impossible to tell since the velocities after the collision are unknown.

Question 2

The United States today gets nearly all of its energy from three energy resources. Which one of the following is not one of these three?
 
  A) natural gas B) coal
  C) oil--i.e., petroleum D) nuclear

[reelove4eva]

Answer to Question 1

B

Answer to Question 2

D

[Alygatorr01285]

TYSM

[bulacsom]

Gracias!