This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The angle of reflection is the angle between A) the reflected ray and the incident ray. B) the ... (Read 18 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

B


OSWALD

  • Member
  • Posts: 580
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees. Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees.
Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ... Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ...
Wide angle pose (upavistha konasana in hatha yoga), assisted by practitioner on the left during Thai ... Wide angle pose (upavistha konasana in hatha yoga), assisted by practitioner on the left during Thai ...
How to find the unknown angle of a triangle using the sine law (Part 2) How to find the unknown angle of a triangle using the sine law (Part 2)
Palpating the costovertebral angle Palpating the costovertebral angle
Use a compound angle addition formula to determine an equivalent trig expression for cos(x + ... Use a compound angle addition formula to determine an equivalent trig expression for cos(x + ...
Video: Bone Healing Animation

For a complete list of videos, visit our video library