Physics, 29.10.2019 23:31 audrey1256
The heating element of a coffeemaker operates at 120 v and carries a current of 2.00 a. assuming that the water absorbs all of the energy converted by the resistor, calculate how long it takes to heat 0.500 kg of water from room temperature (23.0°c) to the boiling point. (the specific heat of water is c= 4186 j/kg oc. the energy required to bring the water to the boiling point is q = m c δt.)
Answers: 3
Physics, 21.06.2019 22:50
A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp
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Physics, 22.06.2019 08:20
At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?
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Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
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Physics, 22.06.2019 22:00
Which statement best explains why the overall charge on an atom is zero?
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The heating element of a coffeemaker operates at 120 v and carries a current of 2.00 a. assuming tha...
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