The average power output from the water in the kettle to the surroundings in 2 hours is 6.42 W.
The given parameters:
- Energy transferred, E = 46,200 J
- Time, t = 2 hours
What is average power?
Average power is energy dissipated by an object over a given period of time.
The average power output from the water in the kettle to the surroundings in 2 hours is calculated as follows;
Power = Energy divided by time
[tex]P = \frac{E}{t}[/tex]
- t is time in seconds = 2 x 3600s = 7200 s
[tex]\\\\P = \frac{46,200}{7200} \\\\P = 6.42 \ J/s = 6.42 \ W[/tex]
Thus, the average power output from the water in the kettle to the surroundings in 2 hours is 6.42 W.
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