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Physics Homework Help?

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Part A How much energy is required to bring a 1.8-L pot of water at 25 ∘C to 100∘C? The specific heat of water is 4186 J/kg⋅C∘

Part B For how long could this amount of energy run a 60-W lightbulb?
asked Nov 29, 2015 in PHYSICS by anonymous

2 Answers

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Part A:

The pot contains image of water.

The specific heat of water is .

The temperature rises from image to image.

The heat absorbed is .

image

image.

The energy required to bring water is image.

answered Nov 30, 2015 by Sammi Mentor
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Part B:

From part A: The energy required to bring water is image.

The amount of power is image.

Find the time required to run a image lightbulb.

image.

image

image

image.

The time required to run a image bulb is image.

answered Nov 30, 2015 by Sammi Mentor

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