If the price of electrical energy is $0.10 per kilowatt · hour, what is the cost...
If the price of electrical energy is $0.10 per kilowatt · hour, what is the cost of using electrical energy to heat the water in a swimming pool (11.0 m ✕ 8.00 m ✕ 1.5 m) from 15 to 27° C?
_________ dollars
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If the price of electrical energy is $0.10 per kilowatt · hour,
what is the cost...
If the price of electrical energy is $0.14 per kilowatt·hour, what is the cost of using...
If the price of electrical energy is $0.14 per kilowatt·hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0 m x 9.00 m x 1.50 m) from 13 to 28 °C?
If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To...
If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To burn a 40.0-W lightbulb for 24 h. (b) To operate an electric oven for 3.9 h if it carries a current of 20.0 A at 220 V. $
If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To...
If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To burn a 40.0-W lightbulb for 24 h. $ (b) To operate an electric oven for 3.3 h if it carries a current of 20.0 A at 220 V. $
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. ________$
A swimming pool filled with water has dimensions of 5.01 m × 10.2 m × 1.76...
A swimming pool filled with water has dimensions of 5.01 m × 10.2 m × 1.76 m. water has density ρ 1.00 103 kg/m) and sp c heat C-4186 C HINT (a) Find the mass (in kg) of water in the pool. kg (b) Find the thermal energy (in 3) required to heat the pool water from 15,8°C to 26.6c. t the pool water from 15.8°C to 26.6°c (c) Calculate the cost (in dollars) of heating the pool from 15.8°c...
The calorie is the unit of energy defined as the amount of energy needed to raise...
The calorie is the unit of energy defined as the amount of energy needed to raise 1 g of water by 1 K. a. How many calories are required to bring a pot of water initially at 274 K to a boil? The pot is full to the brim, with a diameter of 20 cm and a depth of 20 cm. The density of water is 1000 g per cubic centimeter. b. If we consider that D for the pot...
Question 1: The average cost of power in the US is 12 cents per kilowatt hour...
Question 1: The average cost of power in the US is 12 cents per kilowatt hour (cents /kWhr). Remembering that a watt is just joules/s and that kinetic energy is -mv2 where m is the mass in kg and v is the speed in m/s, convert the cost to cents per Joule, and then determine how much it would cost per kg to get an object to increase its speed by 10 km/s.
Question 5 (a) A electric power distributor charges residential customers $0.10 per kilowatt-hour (kWh) The company...
Question 5 (a) A electric power distributor charges residential customers $0.10 per kilowatt-hour (kWh) The company advertises that "green power" is available in 150 kWh blocks for an additional $4 per month per block. (i) A customer uses an average of 300k Wh per month and commits to one monthly 150k Wh (3 marks) (4 marks) (4 marks) block of green power, what is the annual power bill? (ii) What is the average cost per kWh using green power during...
battery that can deliver a cu (a) What is the total energy, in kilowatt-hours, stored in...
battery that can deliver a cu (a) What is the total energy, in kilowatt-hours, stored in a 9-V battery rated at 47 A h? Batteries are rated in terms of ampere-hours (A h). For example, a rrent of 3.0 A for 5.0 h is rated at 15 A·h. kWh (b) At $0.19 per kilowatt-hour, what is the value of the electricity that can be produced by this battery?
Price of electricity: The Energy Information Administration records the price of electricity in the United States...
Price of electricity: The Energy Information Administration records the price of electricity in the United States each month. In July, 2013 the average price of electricity was 13.79 cents per kilowatt-hour. Suppose that the standard deviation is 1.30 cents per kilowatt-hour. What can you determine about these data by using Chebyshev's Inequality with K=3? At least ____% of the data falls between ____ and ____ cents per kilowatt-hour
If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To burn a 40.0-W lightbulb for 24 h. (b) To operate an electric oven for 3.9 h if it carries a current of 20.0 A at 220 V. $
A swimming pool filled with water has dimensions of 5.01 m × 10.2 m × 1.76 m. water has density ρ 1.00 103 kg/m) and sp c heat C-4186 C HINT (a) Find the mass (in kg) of water in the pool. kg (b) Find the thermal energy (in 3) required to heat the pool water from 15,8°C to 26.6c. t the pool water from 15.8°C to 26.6°c (c) Calculate the cost (in dollars) of heating the pool from 15.8°c...
Question 1: The average cost of power in the US is 12 cents per kilowatt hour (cents /kWhr). Remembering that a watt is just joules/s and that kinetic energy is -mv2 where m is the mass in kg and v is the speed in m/s, convert the cost to cents per Joule, and then determine how much it would cost per kg to get an object to increase its speed by 10 km/s.
Question 5 (a) A electric power distributor charges residential customers $0.10 per kilowatt-hour (kWh) The company advertises that "green power" is available in 150 kWh blocks for an additional $4 per month per block. (i) A customer uses an average of 300k Wh per month and commits to one monthly 150k Wh (3 marks) (4 marks) (4 marks) block of green power, what is the annual power bill? (ii) What is the average cost per kWh using green power during...
battery that can deliver a cu (a) What is the total energy, in kilowatt-hours, stored in a 9-V battery rated at 47 A h? Batteries are rated in terms of ampere-hours (A h). For example, a rrent of 3.0 A for 5.0 h is rated at 15 A·h. kWh (b) At $0.19 per kilowatt-hour, what is the value of the electricity that can be produced by this battery?
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