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A 1500-w heater is connected to a 120-v line for 2. 0 hours. how much heat energy is produced?

Sagot :

Answer:

10800 kJ

Explanation:

1 watt = 1 Joule /sec

1500 w = 1500 j/sec         2 hours = 7200 sec

1500 j/sec * 7200 sec = 10 800 000 j   = 10 800 kJ

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