It takes 300 N to move a box 10 meters in 10 seconds. How much power is required?
A. 30,000 W
B. 300 W
O C. 100 W
D. 3,000 J

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

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The air that we breath is made mostly of which gaseous molecule