This topic contains a solution. Click here to go to the answer

Author Question: A laser beam strikes a plane mirror's reflecting surface with an angle of incidence of 43. What is ... (Read 105 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
A laser beam strikes a plane mirror's reflecting surface with an angle of incidence of 43. What is the angle between the incident ray and the reflected ray?
 
  A) 43
  B) 86
  C) 45
  D) 90
  E) 0

Question 2

A train starts from rest and accelerates uniformly until it has traveled 2.1 km and acquired a forward velocity of The train then moves at a constant velocity of for 400 s. The train then slows down uniformly at until it is brought to a halt.
 
  The distance traveled by the train while slowing down is closest to A) 4.4 km.
  B) 4.2 km.
  C) 4.0 km.
  D) 3.8 km.
  E) 3.6 km.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

srodz

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

B

Answer to Question 2

A




RRMR

  • Member
  • Posts: 557
Reply 2 on: Jul 29, 2018
Excellent


scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library