Physics, 26.11.2019 22:31, kathlynskare06
One kilowatt-hour (kwh) is the amount of work or energy generated when one kilowatt of power is supplied for a time of one hour. a kilowatt-hour is the unit of energy used by power companies when figuring your electric bill. determine the number of joules of energy in one kilowatt-hour.
Answers: 2
Physics, 23.06.2019 00:20, evan1v1123
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?
Answers: 3
One kilowatt-hour (kwh) is the amount of work or energy generated when one kilowatt of power is supp...
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