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Author Question: The angle of reflection is the angle between A) the reflected ray and the incident ray. B) the ... (Read 27 times)

OSWALD

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on: Jul 29, 2018
The angle of reflection is the angle between
 
  A) the reflected ray and the incident ray.
  B) the reflected ray and the surface of the mirror.
  C) the incidence ray and the surface of the mirror.
  D) the reflected ray and the normal drawn at the point where this ray meets the mirror.
  E) the incident ray and the normal drawn at the point where this ray meets the mirror.

Question 2

A compact disk rotates at 210 revolutions per minute. What is its angular speed in rad/s?
 
  A) 11.0 rad/s
  B) 22.0 rad/s
  C) 45.3 rad/s
  D) 69.1 rad/s
  E) 660 rad/s


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ally

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

B


OSWALD

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Reply 2 on: Jul 29, 2018
Gracias!

shewald78

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Reply 3 on: Yesterday
Wow, this really help

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