A small space heater uses 1,212 Watts of power. What does it cost in dollars to use the heater for an average of 14.7 hours every day for 30 c must pay 12.3 cents per kilowatt-hour? (Enter answer with 2 digits right of the decimal. Do not enter dollar sign.)

Q: How much time does it take to do 9,560 Joules of work with 860 watts of power?

A:

Q: What is the cost per mile to drive a van that has a gas mileage of 12.7 miles per gallon and the…

A: From the question it is given that Distance covered = 1 mileMileage of van = 12.7 miles per…

Q: hat is the work done by a tugboat that exerts a force of 12,500 N to transport a load for one…

A: Workdone = Force × distance

Q: What is the maximum discrepancy between two measurements averaging 2,500 feet if the discrepancy…

A: Given: Average of two measurements = 2500 ft Discrepancy ratio > 1/5000

Q: How many megahertz is 750 kilohertz?

A:

Q: What is the work done by a 300-watt electric grinder in 5 minutes?

A: Given value--- power = 300 W. time = 5 min. We have to find--- work done ?

Q: Calculate the voltage if the resistance is 13 ohms and the current is 7•1 A ?

A: Given data :            The value of current    =    I            The value of Resistance    =   R…

Q: The illumination on a certain object 2.5 m from the light source is 6,648 lux, using same light…

A:

Q: The distance around the Earth's equator is 40,077 kilometers, and the population of the United…

A: We have to place 150,000,000 peoples in a total distance of 40,077 km=40,077 ×105 cm Hence the…

Q: A hot water heater in a residential home runs for an average of 3.1 hours per day with a heat energy…

A:

Q: How much does it cost to light a 300-W lightbulb for 30 days if the cost of electricity is 7¢/kWh?

A:

Q: An electric heater of 1000 W is used for two hours in a day? What is the cost of using it for a…

A:

Q: In the following figure, 1 represents Ts 1 2 3

A: The given figure in the problem represent the plot of probability distribution.

Q: To complete the installation of a heating system, 728 hours are needed. Eachof the 7 installers…

A:

Q: How much will it cost to operate a 1500-W quartz heater for 48 h if the cost of electricity is…

A:

Q: A tiny space inside a computer chip has been measured to be 2.56x10^-6 meters wide, 1.4x10^-7 meters…

A: Given: the dimension of the space in the computer chip is: width(b) =  2.56x10-6 m length(l) =…

Q: Per hour, a 30-kW diesel generator consumes 8.80 gallons of fuel. If the generator was turned on for…

A: Given: The fuel consumed in one hour is 8.80 gallons. The time duration for which the generator was…

Q: What is the diameter (in inch) of the wire with an area of 360,000 CM?

A:

Q: A hot water heater in a residential home runs for an average of 3.2 hours per day with a heat energy…

A: Given data: Average usage of water heater = 3.2 hours/day Power (P) = 3.8 kW Cost of electricity =…

Q: What is the mass of a 1,405-N reptile in kilograms? Your answer should be rounded to the closest…

A:

Q: If the walls in a room are 102 square meters in area, and a gallon of paint covers 23.0 square…

A: Area of walls in room (A) = 102 m2  A gallon of paint covers 23.0  square yards .

Q: How many kw-hr of energy does a 40 Watt light bulb use in one hour?   B) FPL charges 10.8 cents…

A:

Q: If an electrician works 4-and-3/4 hours a day on a job at $16.00 an hour, how much money does he…

A:

Q: How long must a 100 Watt light bulb being turned on, in order to use 1 million joules of energy?…

A:

Q: A small space heater uses 1,193 Watts of power. What does it cost in dollars to use the heater for…

A:

Q: Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh,…

A: Given, Electricity usage,  57 kWh of electricity at $0.35 per kWh, 91kWh of electricity at $0.26 per…

Q: When a electrical appliances whose power usage is X watts is run for Y seconds it uses X×Y joules of…

A:

Q: What is the importance of studying physics?

A: Physics helps us to understand how the world around us works, from can openers, light bulbs, and…

Q: The previous reading in my meter is 36893 and the present reading is 36989 after a month. How much…

A: Meter reading is the amount of electrical energy consumed.  The consumed electrical energy is…

Q: Calculate the voltage if the resistance is 7.5 ohms and the current is 5.1 A ?

A: Given data :      The value of  current  =  i      The value of resistance  =  R        To find :…

Q: An agent does (33,000 ft-lb) of work each minute. The work done in (one hour) is,

A:

Q: There are about 7.46 billion people on Earth. Assume that an average human being is 2 feet wide and…

A: Total population = 7.46 billion = 7.46 × 109 Area occupied by each human = 10 ft2 hence, total area…

Q: What is the average power consumption in watts of an appliance that uses 0.75 kWh of energy in one…

A:

Q: A clothes washer used 3.2 kilowatt for 0.9 hour. If electricity costs $0.31 per kilowatt- hour, how…

A: Given data:  Power (P) = 3.2 kW Time (t) = 0.9 h Electricity cost = $0.31 /kWh Required: The total…

Q: You run forward, pulling a sled behind you with a force of 250 N. If you expend 2,500 Joules, how…

A: Given data:  Force on sled (F) = 250 N Work done (W) = 2,500 J Displacement (d) =?

Q: What is the area (m2) of a shed that is reported of having a roof of 1420 square feet?

A: Relation between units of length. 1 foot =0.3048 m

Q: Electricity travels at about the speed of light, 186,000 miles per second. How many meters it can…

A: 1 mile=1609.34 meters1 minute=60 seconds1 second=160 minutes

Q: How much energy in consumed if a 100 watt light bulb is operated for 10 MINUTES?

A:

Q: If an object of mass 920,769,954 kg is placed at a distance of 57 meters away from a second object…

A: Gravitational Force of attraction F = Gm1m2r2

Q: Assume there are 100 million passenger cars in the UAE and that the average fuel consumption is…

A:

Q: What is the diameter, to the nearest ruler fraction, of a wire with an area of 2900 circular mils?

A: Given Area of wire = 2900 circular mils 1 circular mils = 5.0671×10-10 m2 2900 circular mils =…

Q: A hot water heater in a residential home runs for an average of 2.9 hours per day with a heat energy…

A: Given data:  Water heater used in a day = 2.9 hours per day Power (P) = 3.5 kW Cost of electricity =…

Q: what would it be if the leg length was 1.9m

A: Given: The length of the side of the equilateral triangle is 1.9 m Solution: Area of the triangle A=…

Q: Mount Everest has a height of 29,029 ft above sea level. Express this height in meters, giving your…

A: Given data The height of Mount Everest above sea level is H = 29029 ft   The scientific notation of…

Q: A 100-watt light bulb is left on for 10 hours. Electricity is 10 cents per kilowatt-hour. How much…

A: The energy consumed E (in kWh) by bulb having power rating P (in kW), operating for time T (in…

Q: What is the total resistance of a circuit when voltage is equal to 113.8 V and current is 36.3 A?

A: Dear student According to ohm's law, the relation between potential drop (V) across a resistor of…