Answer :
Final answer:
The power of the microwave is calculated by dividing the work done (in Joules) by the time taken (in seconds). In this case, the power is 1000 Watts.
Explanation:
The power output of any device, including a microwave, is calculated by the equation P = W/t, where P is Power, W is Work, and t is Time. In this situation, the work done by the microwave is 3000 J (Joules) and the time is 3 seconds. Inserting these values into the equation, your calculation would look like this: P = 3000 J / 3 s = 1000 W. Hence, the power of the microwave is 1000 watts.
Just for reference, the unit of power in the International System of Units (SI) is the watt (W), which is equivalent to one joule per second (1 J/s). Another common unit for expressing the power capability of everyday devices is horsepower: 1 hp = 746 W.
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