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ChrisV
 2 years ago
The distance from Earth to the Moon is approximately 240,000 mi.
The speed of light is 3.00 * 10^8 m/s. How long does it take for light to travel from Earth to the Moon and back again?
Please Show work.
ChrisV
 2 years ago
The distance from Earth to the Moon is approximately 240,000 mi. The speed of light is 3.00 * 10^8 m/s. How long does it take for light to travel from Earth to the Moon and back again? Please Show work.

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HawkCrimson
 2 years ago
Best ResponseYou've already chosen the best response.1time from the earth to the moon = 240000m /(3.00*10^8)m/s time = .0008s therefore to the moon and back = .0016s

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0well its miles to meters

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0so first have to convert

HawkCrimson
 2 years ago
Best ResponseYou've already chosen the best response.1oh ok ill fix it then thx

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0but i do understand what you did and thanks

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0this dimensional analysis stuff does not agree with me at times lol

HawkCrimson
 2 years ago
Best ResponseYou've already chosen the best response.1ok then make the correction and it'll look like this time = 240000*1609.34/(3*10^8)

HawkCrimson
 2 years ago
Best ResponseYou've already chosen the best response.1n of course multiply the answer by 2

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0you could just begin with 480000 right?

HawkCrimson
 2 years ago
Best ResponseYou've already chosen the best response.1yea u could just because its doesnt throw off the working

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0480000 mi * 1609.34m/mi * s/300000000

HawkCrimson
 2 years ago
Best ResponseYou've already chosen the best response.1if this is home work then you shouldnt multiply by 2 first actually cause yes you'll get the rigt answer but when u write ur statements u'll have to explain y u muliplied by 2 n it makes more sense to do it after

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0i still get the wrong answer i think >.< i get 2.57 s

HawkCrimson
 2 years ago
Best ResponseYou've already chosen the best response.1yea that is the correct answer

ChrisV
 2 years ago
Best ResponseYou've already chosen the best response.0(4800000 * 1609.34)/300000000 = 2.57s
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