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

Author Question: Two plane mirrors make an angle of 50 with one another. A ray of light parallel to mirror 1 reflects ... (Read 85 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
on: Jul 28, 2018
Two plane mirrors make an angle of 50 with one another. A ray of light parallel to mirror 1 reflects off mirror 2 and then strikes mirror 1 . What is the angle of incidence the ray makes with mirror 1?
 a. 50
  c. 40
  b. The answer is not given.
  d. 55

Question 2

A slice of bread contains about 90 kcal. If specific heat of a person were 1.00 kcal/kgC, by how many C would the temperature of a 70.0-kg person increase if all the energy in the bread were converted to heat?
 a. 2.25C
  c. 1.43C
  b. 1.86C
  d. 1.29C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

billybob123

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


mydiamond

  • Member
  • Posts: 804
Reply 2 on: Jul 28, 2018
Gracias!

JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground. By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Rotating Furnace for Making Parabolic Telescope Mirrors Rotating Furnace for Making Parabolic Telescope Mirrors
Visual Angle and Spatial Frequency Visual Angle and Spatial Frequency
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
Light palpation Light palpation
Find the measure of angle L to the nearest degree Find the measure of angle L to the nearest degree
Video: Chemical Messengers Animation

For a complete list of videos, visit our video library