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3 years ago

Help with 26 please:):)

Physics

1 answer:

Alik [6]3 years ago

8 0

$0.080 per kWh

25W porch light

a day = 24hrs

365 days in a year = 8760hrs

1) convert 25W to kW

0.025kW in the porch light

2) kW in a year

0.025kW × 8760hrs = 219 kWh in a whole year

3) money

$0.080 × 219kWh = $17.52

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