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How many pounds of carbon dioxide would you prevent from entering the atmosphere in one year, if you were to replace a 100-watt light bulb with a CFL bulb that uses 12 watts in a fixture that you have
answered
Jan 11, 2017
Mathematics
high-school
4
votes
15.3k
views
Maisie drags a 1kg mass along a table with a Newton meter so that it accelerates at 0.25 m/s. The Newton-meter reads 0.4N, calculate the force of friction between the mass and the table
answered
Feb 1, 2016
Physics
middle-school
7
votes
109k
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