t costs 2.6 cents to charge a car battery at a voltage of 12 Vand a...

Question

Question

t costs 2.6 cents to charge a car battery at a voltage of 12 Vand a current of 15 A for 120 minutes.

Part A

What is the cost of electrical energy per kilowatt-hour at this location?

Express your answer indollars per kilowatt-hour. Express your answer using two significant figures.

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

A constant current of 3 A for 4 hours is required to charge an automotive battery. If the terminal voltage is 10 + t/2 V...

A constant current of 3 A for 4 hours is required to charge an automotive battery. If the terminal voltage is 10 + t/2 V, where t is in hours, (a) how much charge is transported as a result of the charging? (b) how much energy is expended? (c) how much does the charging cost? Assume electricity costs 9 cents/kWh. with concentration on part b. Thanks.
If electrical energy costs 12 cents, or $0.12, per kilowatt-hour, then what would the following events...

If electrical energy costs 12 cents, or $0.12, per kilowatt-hour, then what would the following events cost? (a) Burn a 100 W light bulb for 24 h straight. ______$ (b) Operate an electric oven for 6.0 h if it carries a current of 20.0 A at 220 V. ________$
Constants I Periodic Table The current in a 120 V reading lamp is 2.2 A Part...

Constants I Periodic Table The current in a 120 V reading lamp is 2.2 A Part A If the cost of electrical energy is $0.075 per kilowatt-hour, how much does it cost to operate the light for an hour? Express your answer using two significant figures. Vα ΑΣφ dollars Cost = Request Answer Submit Next> Provide Feedback

In F gure 1) suppose that V, 33 Vand R-15 - Part A Solve for the...

In F gure 1) suppose that V, 33 Vand R-15 - Part A Solve for the power delivered by the voltage source in the figure, using the mesh-current method Express your answer to three significant figures and include the appropriate units Value Units Subm Rest Answer < Return to Assignment Figure
What is the terminal voltage Vba of the "unknown" battery? (The current is to the right.)...

What is the terminal voltage Vba of the "unknown" battery? (The current is to the right.) Express your answer to two significant figures and include the appropriate units. What is the terminal voltage Vba of the "unknown" battery? (The current is to the left.) Express your answer to two significant figures and include the appropriate units.
With a 1500 MΩ resistor across its terminals, the terminal voltage of a certain battery is...

With a 1500 MΩ resistor across its terminals, the terminal voltage of a certain battery is 2.60 V . With only a 5.11 Ω resistor across its terminals, the terminal voltage is 1.80 V Part A Find the internal emf of this battery. Express your answer in volts to three significant figures. Part B Find the internal resistance of this battery. Express your answer in ohms to three significant figures. Part C What would be the terminal voltage if the...

A 3.4 μC charge is placed at the origin of coordinates, and a -2.6 μC charge...

A 3.4 μC charge is placed at the origin of coordinates, and a -2.6 μC charge is placed to the x-axis at 4.0 cm. Part A. Find the location of the place(s) along the x axis where the electric field due to these two charges is zero. Part B Find the location of the place(s) along the x axis where the electric potential due to these two charges is zero. Please show the work. Thank you. Constants A 3.4 uC...
A battery-powered global positioning system (GPS) receiver operating on a voltage of 8.0 V draws a...

A battery-powered global positioning system (GPS) receiver operating on a voltage of 8.0 V draws a current of 0.15 A. How much electrical energy does it consume during 30 minutes? Express your answer with the appropriate units.
A constant current of 3 A for 4 hours is required to charge an automotive battery....

A constant current of 3 A for 4 hours is required to charge an automotive battery. If the terminal voltage is 10 + t/2 V, where t is in hours, (a) how much charge is transported as a result of the charging? (b) how much energy is expended? (c) how much does the charging cost? Assume electricity costs 9 cents/kWh. with concentration on part b. Thanks.

A 12-V battery causes a current of 0.70 A through a resistor. Part A What is...

A 12-V battery causes a current of 0.70 A through a resistor. Part A What is its resistance? Express your answer using two significant figures. R= Submit Request Answer Part B How many joules of energy does the battery lose in a minute? Express your answer using two significant figures. E = J Submit Request Answer