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How many joules of energy does a crank toy produce if it generates 5N of force over 10s while it travels 3m?
How much energy does a cyclist produce if they can power a 60-Watt lightbulb for 45 seconds?
Nutritional information is often listed in Calories where 1 Cal = 4184 J. If a cookie contains 100 Cal what distance would someone need to run to expend the same number of calories in a single cookie if they produce an average force of 50 N while running?
How much energy does my dog produce while running for 10 minutes if she produces 20 W of power while running?
How much power does a lightbulb produce if it expends 260 J in 13 s?
The Pascal (Pa) is the SI unit of pressure which can be further broken down into the units N/m^{2}. Given this information how much work does a gas at 200 Pa do while at 56K if it has a 20 L change in volume (Note: 1 m^{3} = 1,000 L)?
In physics, the area under the curve can represent the multiplication of the two axes. For example, the force x distance graph shown below would represent work.
Given this information which of the following units can be used to represent the area under the curve for the graph above?
I. W x s
II. Nm
III. J
The wheels of a skateboard encounter 40 N of frictional force as they roll along at a constant velocity of 6 m/s. How much power must the rider of the skateboard produce in order to keep the skateboard at a constant velocity of 6 m/s?