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

Author Question: The speed of light in a material is 0.50c. What is the critical angle of a light ray at the ... (Read 21 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
on: Jul 29, 2018
The speed of light in a material is 0.50c. What is the critical angle of a light ray at the interface between the material and a vacuum?
 
  A) 30
  B) 21
  C) 24
  D) 27

Question 2

The position x, in meters, of an object is given by the equation x = A + Bt + Ct2, where t represents time in seconds. What are the SI units of A, B, and C?
 
  A) m, s, s2
  B) m, m/s, m/s2
  C) m, s, s
  D) m/s, m/s2, m/s3
  E) m, m, m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brenm

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

E


ahriuashd

  • Member
  • Posts: 535
Reply 2 on: Jul 29, 2018
Wow, this really help

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Critical Values of the Chi-Square Distribution Critical Values of the Chi-Square Distribution
Why leaves are green: interaction of light with chloroplasts. Why leaves are green: interaction of light with chloroplasts.
Critical thinking and the process of planning care Critical thinking and the process of planning care
A fluorescent trouble light operates cooler and is safer to use in the shop because it is protected ... A fluorescent trouble light operates cooler and is safer to use in the shop because it is protected ...
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 ...
Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ... Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...
Video: Appendicitis Animation

For a complete list of videos, visit our video library