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How many kWh of energy does a 500 W toaster use in the morning if it is in operation for a total of 6.4 min ? Express your answer to two significant figures and include the appropriate units. µA ? Energy = Value Units Submit Request Answer Part B At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week. Express your answer using two significant figures. Cost = cents/month Submit Request Answer

How many kWh of energy does a 500 W toaster use in the morning if it is in operation for a total of 6.4 min ? Express your answer to two significant figures and include the appropriate units. µA ? Energy = Value Units Submit Request Answer Part B At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week. Express your answer using two significant figures. Cost = cents/month Submit Request Answer

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How many kWh of energy does a 500 W toaster use in the morning if it is in operation for a total of 6.4 min ? Express your answer to two significant figures and include the appropriate units. μΑ Energy = Value Units Submit Request Answer Part B At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week. Express your answer using two significant figures. nν ΑΣφ ? Cost = cents/month Submit Request Answer
Transcribed Image Text:How many kWh of energy does a 500 W toaster use in the morning if it is in operation for a total of 6.4 min ? Express your answer to two significant figures and include the appropriate units. μΑ Energy = Value Units Submit Request Answer Part B At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week. Express your answer using two significant figures. nν ΑΣφ ? Cost = cents/month Submit Request Answer
A heater coil connected to a 240-Vms ac line has a resistance of 45 N Express your answer to two significant figures and include the appropriate units. µA Pmax = Value Units Submit Request Answer Part C What is the minimum value of the instantaneous power? Express your answer with the appropriate units. HA ? Pmín = Value Units Submit Request Answer
Transcribed Image Text:A heater coil connected to a 240-Vms ac line has a resistance of 45 N Express your answer to two significant figures and include the appropriate units. µA Pmax = Value Units Submit Request Answer Part C What is the minimum value of the instantaneous power? Express your answer with the appropriate units. HA ? Pmín = Value Units Submit Request Answer
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