Physics, 14.11.2019 22:31 payshencec21
There are approximately 110 million households that use tvs in the united states. each tv uses, on average, of power and is turned on for 6.0 hours a day. if electrical energy costs $0.12 per kwh, how much money is spent every day in keeping 110 million tvs turned on?
Answers: 1
Physics, 21.06.2019 22:10
Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley
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Physics, 22.06.2019 16:00
The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
Answers: 2
Physics, 23.06.2019 00:30
Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.
Answers: 2
Physics, 23.06.2019 04:00
A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature
Answers: 1
There are approximately 110 million households that use tvs in the united states. each tv uses, on a...
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