rorycampbell0721
rorycampbell0721 rorycampbell0721
  • 01-03-2021
  • Chemistry
contestada

How many times as bright as a light that is 90 m away from you does a light that is 10 m away from you appear?

Respuesta :

Supernova11
Supernova11 Supernova11
  • 02-03-2021

Answer:

81 x as bright

Explanation:

The intensity of light is dependent on distance according to this simple equation:

(90/10)^2 = 9^2

                = 81

This was derived from the inverse-square law. Respectively a light that is 10 m away from you is 81 x as bright.

Answer Link

Otras preguntas

the following set of numbers is going to be graphed on a histogram if there are going to be six intervals what is the length of each interval
What is the most important thing to remember about steering a pwc?
Jim is 3 times as old as his cousin Anthony the difference in their age is 18.How old is Jim?
( 20 Points) The injustices Gandhi saw in _________ inspired him to emerge as a leader in the Indian community, and it was in that country that he first promote
which condition is a cause of impotency in men
What viral disease only exists in the laboratory, caused many deaths of many american indians after?
Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4
Why does the u.s. presence in Iraq pose an ethical dilemma?
The African nation of Nigeria can be found _____.
You wish to fill a cylinder-shaped glass with iced tea. How much room is left for the tea If you put 5 ice cubes in the glass? Using the figures shown, find the