Question

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

Answer 1

10800 kJ

Step-by-step 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