Magnitude of the work done by the force on the truck
The brakes of a truck cause it to slow down by applying a retarding force of 3.40 x 103 N to the truck over a distance of 920 m. What is the magnitude of the work done by this force on the truck? Is the work positive or negative? Why?
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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