The law of reflection, as well as the law of refraction, can be ...

[mynx]

The law of reflection, as well as the law of refraction, can be derived using Huygens' principle.
 
  Indicate whether the statement is true or false

Question 2

A 480-kg car moving at 14.4 m/s hits from behind a 570-kg car moving at 13.3 m/s in the same direction.
 
  If the new speed of the heavier car is 14.0 m/s, what is the speed of the lighter car after the collision, assuming that any unbalanced forces on the system are negligibly small?
  A) 13.6 m/s
  B) 10.5 m/s
  C) 19.9 m/s
  D) 5.24 m/s

[mcomstock09]

Answer to Question 1

TRUE

Answer to Question 2

A

[mynx]

TYSM

[ryansturges]

Excellent