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

Author Question: The angle between two plane mirrors that meet at one edge is 45. The change in direction of a ray ... (Read 43 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jul 28, 2018
The angle between two plane mirrors that meet at one edge is 45. The change in direction of a ray that strikes the first mirror at a 60 angle of incidence when that ray reflects from the second mirror is
 a. 0.
  b. 45
  c. 90
  d. 150
  e. 270

Question 2

Eighty-eight prominent groups of stars in the sky are called the _______________.
 a. constellations
  b. local groups
  c. clusters
  d. galaxies


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


BrownTown3

  • Member
  • Posts: 564
Reply 2 on: Jul 28, 2018
:D TYSM

parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Cumulative change for six personality-trait domains across the life course show distinct patterns. Cumulative change for six personality-trait domains across the life course show distinct patterns.
Desertification and Climate Change Desertification and Climate Change
Binding change model for ATP synthase Binding change model for ATP synthase
Demographic change and the effect on people social, and economic life Demographic change and the effect on people social, and economic life
For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ... For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ...
Video: Endocytosis - pinocytosis, receptor mediated and Transcytosis

For a complete list of videos, visit our video library