How much energy in kWh would a heater rated at 9 kW use when run for...

Question

Question

How much energy in kWh would a heater rated at 9 kW use when run for 300 minutes? If the cost of electricity is 1.2 $/kWh, how much does it cost to run the heating system for 300 minutes.

Answer 1

Answer #1

(kW) Energy = Power x Time Chr) time = = 300 min = 300 hr 5 her 60 9x5 Cost Price/kwh x Energy =) 1-2 45 Cost =) 548 4 kg tro

Answer 2

Similar Homework Help Questions

How much energy in kWh would a heater rated at 7 kW use when run for...

How much energy in kWh would a heater rated at 7 kW use when run for 9000 seconds? If the cost of electricity is 1.4 $/kWh, how much does it cost to run the heating system for 9000 seconds ?
How much energy in kWh would a heater rated at 7 kW use when run for...

How much energy in kWh would a heater rated at 7 kW use when run for 9000 seconds? If the cost of electricity is 1.4 $/kWh, how much does it cost to run the heating system for 9000 seconds?
A typical electric water heater has a heating element rated at 4500 Watts and is connected...

A typical electric water heater has a heating element rated at 4500 Watts and is connected across a 240 Volt power source. When operated normally, find the resistance of the heating element, the current drawn by the heating element, and the cost of heating water for 45.0 minutes. Assume electricity costs $.10/kw * hr

An electric water heater holds 202 L. If electricity costs 0.13 $ per kWh, how much...

An electric water heater holds 202 L. If electricity costs 0.13 $ per kWh, how much does it cost to raise the water temperature from 20 ∘C to 90 ∘C?
How long would a 3.40 kW space heater have to run to put into a kitchen...

How long would a 3.40 kW space heater have to run to put into a kitchen the same amount of heat as a refrigerator (coefficient of performance = 2.50) does when it freezes 1.60 kg of water at 18.8°C into ice at 0°C?
(7 pts) You are installing a 6-kW photovoltalc system that is expected to generate an average of 12,000 kWh per year fo...

(7 pts) You are installing a 6-kW photovoltalc system that is expected to generate an average of 12,000 kWh per year for 25 years. The system will cost $3.80/Watt to install, then you receive a Federal Residential Renewable Energy Tax Credit for 30% of the installation cost. Your only additional cost over the system life will be to replace the inverter once for $2.500. How much will the solar-generated electricity cost over the life of the system measured in S/kWh?...

The heating element of tumble dryer is rated at 3.5 kW when connected to a 230...

The heating element of tumble dryer is rated at 3.5 kW when connected to a 230 V supply Part A What is the current in the heating element? Express your answer in amperes. EVO AE I= A Submit Request Answer Part B Complete previous part(s) Part C What is the resistance of the dryer's heating element at its operating temperature? Express your answer in ohms. VO AEO ? R= Submit Request Answer Part D At £ 0.125 per kWh, how...
Suppose your waffle iron is rated at 1.90 kW when connected to a 3.60 x 102...

Suppose your waffle iron is rated at 1.90 kW when connected to a 3.60 x 102 V source (a) What current does the waffle iron carry? (b) What is its resistance? Need Help? 8. -12 points SerCP11 17.P.044 Batteries are rated in terms of ampere-hours (A . h).For example, a battery that can deliver a current of 3.0 A for 5.0 h is rated at 15 A h (a) What is the total energy, in kilowatt-hours, stored in a 9-V...
How much energy is dissipated as thermal energy due to friction and other inefficiencies in the...

How much energy is dissipated as thermal energy due to friction and other inefficiencies in the system when you have 5 kWh of electricity running for 45 minutes, as well as 200 kJ of mechanical work being produced.

How many kWh of energy does a 543 W toaster use in the morning if it...

How many kWh of energy does a 543 W toaster use in the morning if it is in operation for a total of 8 min? (answer in kWh) At a cost of 12 cents/kWh, estimate how much would this add to your monthly electric energy bill if you made toast four mornings per week. (Assume a month of 4 weeks.) (answer in cents/month)