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courtneylane8
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What is the rms speed of helium atom at 2000?
RMS Speed of Helium Atom at 2000K: An Overview
AI Thread Summary
The discussion focuses on calculating the root mean square (rms) speed of a helium atom at a temperature of 2000°C. Participants clarify the need for unit conversion to meters per second (m/s) for accurate results. The conversation includes a reference to a HyperPhysics link that provides relevant information on kinetic theory and temperature conversions. The initial query lacks clarity, prompting further questions about the specific calculations required. Overall, the thread emphasizes the importance of understanding temperature units in relation to atomic speed calculations.
Kindly see the attached pdf. My attempt to solve it, is in it.
I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction.
I'm not able to figure out, why my solution is wrong, if it is wrong .
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.
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