A red ball with a velocity of +3.0 m/s collides head-on with a ...

[Pineapplelove6]

A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the red ball after the collision?
 
  A)
 
  zero
 
  B)
 
  -2.0 m/s
 
  C)
 
  +3.0 m/s
 
  D)
 
  +2.5.0 m/s
 
  E)
 
  +5.0 m/s

Question 2

If an electric field of magnitude 25 V/m makes an angle of 30 with a path of length 10 m, then the integral of Edl over this path has a value of
 
  A)
 
  30 V.
  B)
 
  250 V.
  C)
 
  125 V.
  D)
 
  217 V.
  E)
 
  -250 V.

[aruss1303]

Answer to Question 1

B

Answer to Question 2

D

[Pineapplelove6]

Both answers were spot on, thank you once again

[aruss1303]

Great! Please up vote