Two masses m1 and m2, with m1 = 3 m2, undergo a head-on elastic ...

[joesmith1212]

Two masses m1 and m2, with m1 = 3 m2, undergo a head-on elastic collision. If the particles were approaching with speed v before the collision, with what speed are they moving apart after collision?
 a. v
  c. 3v/4
  b. v/3
  d. 3v

Question 2

The combination of two separated point charges of opposite sign but equal magnitude is called an electric:
 a. magnapole.
  c. quadrapole.
  b. dipole.
  d. monopole.

[sultansheikh]

Answer to Question 1

A

Answer to Question 2

B

[joesmith1212]

Gracias!

[bassamabas]

Excellent