Asked by t
How do the units of work and power compare?
The unit for work is a watt. The unit for power is a joule, which is a watt-second.
The unit for work is a watt. The unit for power is a joule, which is a watt per second.
The unit for work is a joule. The unit for power is a watt, which is a joule-second.
The unit for work is a joule. The unit for power is a watt, which is a joule per second.
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Correct answer: "The unit for work is a joule. The unit for power is a watt, which is a joule per second."
Reason: Work (energy) is measured in joules (J). Power is the rate of doing work: power = work / time, so its unit is joule per second (J/s), called the watt (W).
Reason: Work (energy) is measured in joules (J). Power is the rate of doing work: power = work / time, so its unit is joule per second (J/s), called the watt (W).
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