Solve the following word problem: A kettle uses 2300 Watts of power. If it is switched on for 5 minutes how much energy does it use?
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We know that
Energy = power x time
Given
Power = 2300 w
Time = 5 min
1 min = 60 sec
5 min = 5 x 60
= 300s
Energy = 2300 x 300
= 690000 j
= 690 kj
Energy = power x time
Given
Power = 2300 w
Time = 5 min
1 min = 60 sec
5 min = 5 x 60
= 300s
Energy = 2300 x 300
= 690000 j
= 690 kj
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