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14 Nov 2019
(a) Compute the electrical energy used by a household whosemonthlyelectrical bill is $44, computed at therate of $0.07 perkWh.
1 J
(b) How long could this energy be used to burn ten 12 W lightbulbs?
2 hours
(c) If this energy were used to raise a car of mass 2115 kg, towhat height would the car be raised?
3 m
(a) Compute the electrical energy used by a household whosemonthlyelectrical bill is $44, computed at therate of $0.07 perkWh.
1 J
(b) How long could this energy be used to burn ten 12 W lightbulbs?
2 hours
(c) If this energy were used to raise a car of mass 2115 kg, towhat height would the car be raised?
3 m
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Deanna HettingerLv2
21 Sep 2019