- #1
jagriti baul
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Homework Statement
water takes more times than milk of same temperature,to be heated to the same higher temperature-- why?
Why does water take longer to heat up than milk?
AI Thread Summary
Water takes longer to heat up than milk due to its higher specific heat capacity, meaning it requires more energy to achieve the same temperature increase. This property of water is one of the highest among common substances, resulting in a longer heating time compared to milk. The discussion seeks a deeper understanding of this phenomenon beyond basic explanations. Factors such as molecular structure and heat transfer efficiency may also play a role in this difference. Understanding these concepts can provide a more comprehensive insight into the heating properties of liquids.
TL;DR Summary: I would like to know the voltmeter readings on the two resistors separately in the picture in the following cases , When one of the keys is closed When both of them are opened (Knowing that the battery has negligible internal resistance)
My thoughts for the first case , one of them must be 12 volt while the other is 0
The second case we'll I think both voltmeter readings should be 12 volt since they are both parallel to the battery and they involve the key within what the...
Here is what I tried
This question was actually asked in one of our engineering entrances.
The answer was 1D.
My teachers say that we have to use μₘ/fₘ to get to this answer. I cannot understand why. I'll be really glad if you could tell me the exact definition of power (numerically) that works in all scenarios.
The answer to this question is statements (ii) and (iv) are correct.
(i) This is FALSE because the speed of water in the tap is greater than speed at the water surface
(ii) I don't even understand this statement. What does the "seal" part have to do with water flowing out? Won't the water still flow out through the tap until the tank is empty whether the reservoir is sealed or not?
(iii) In my opinion, this statement would be correct. Increasing the gravitational potential energy of the...
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