Calculate the distance that light travels in one year. light travels at 3.0 x 10 km in a second, given that there are 60 seconds in a minute, 60 minutes in an hour, 24
hours in a day and 365 days in a year. (You just calculated a light year)

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

In a series circuit the __ is the same at every point