Unpolarized light is passed through a polarizer-analyzer ...

[swpotter12]

Unpolarized light is passed through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are at 30.0 to each other. What percentage of the unpolarized light gets through the combination?
 
  A) 37.5
  B) 50.0
  C) 63.7
  D) 75.0
  E) 100

Question 2

A hoop of radius 0.50 m and a mass of 0.20 kg is released from rest and allowed to roll down an inclined plane. How fast is it moving after dropping a vertical distance of 3.0 m?
 
  A) 7.7 m/s
  B) 6.2 m/s
  C) 5.4 m/s
  D) 3.8 m/s
  E) 2.2 m/s

[krakiolit]

Answer to Question 1

A

Answer to Question 2

C

[swpotter12]

Wow, this really help

[Animal_Goddess]

Gracias!