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

Author Question: If light travels 63,000 AU in 1 year at 3 108 m/s, which of these best represents the unit of a ... (Read 71 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Jul 27, 2018
If light travels 63,000 AU in 1 year at 3  108 m/s, which of these best represents the unit of a light-year?
 
  a. 63,000 AU b. 3  108 m/s
  c. 1 year d. All of the other choices are correct.

Question 2

Which is the shorter time unit - a light-second, a light-minute, or a light-year?
 
  a. light-second b. light-minute
  c. light-year d. None of the other choices are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amandalm

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 27, 2018
Answer to Question 1

a
RATIONALE: You are seeking a unit of distance as the unit for light-year is distance.

Answer to Question 2

d
RATIONALE: The units given are distance units.


burton19126

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


amandalm

  • Sr. Member
  • ****
  • Posts: 306
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Went and Briggs demonstrated the relationship between light perception and auxin function. Went and Briggs demonstrated the relationship between light perception and auxin function.
Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th
The path of light through the cornea, iris, lens, and striking the retina. The path of light through the cornea, iris, lens, and striking the retina.
30-Unit Insulin Syringe 30-Unit Insulin Syringe
A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ... A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ...
A promissory note has a face value of $6000 and it has a date of issue of June 1 this year. The ... A promissory note has a face value of $6000 and it has a date of issue of June 1 this year. The ...
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library