Select the functions that relate to measurement of a light year. measures luminosity of space objects

uses observations of angles of distant objects

describes the color spectrum of a star

provides a conversion method for units of distance

describes the size of space objects

determines the age of space objects

work: w = fd (given)

work done by chet   =50*1 = 50 j

work done by mika =40*2 = 80 j

work done by sara =30*1.5 = 45 j

work done by bill =60*0.5 = 30 j

students in order from the greatest amount of work done to the least is mika> chet> sara> bill

hence option (b) is correct.

i think it's 35 meters

yo yo yo its papaguy in the house lol

okay, ima .

um it shows links to uh so kinda microsoft website is that were ima go or no? ?