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HNQ
12:45 AM
13
Q: Sorry to ask this, but why does the tip of my genital flap when I urinate fast?

WeirdoDISCLAIMER: Gross/Obscene question ahead!!! Ok, that was awkward. I am really sorry if this is a bad question to ask. I couldn't think of any other way to ask it (I thought about "Why does a loose water carrying hose flap" first, but that was too hard to relate with); so here it goes. I was just ...

 
 
6 hours later…
HNQ
6:55 AM
1
Q: Why are perfectly inelastic collision said to be practically impossible?

Mr. AnonymousI am currently studying collisions from an online lecture and the teacher in it says that both perfectly elastic and perfectly inelastic collision are practically not possible. I am able to find the reason why elastic collisions are practically impossible that is because there is always some loss...

 
 
2 hours later…
HNQ
9:23 AM
1
Q: Why can't a standing wave form a displacement node at the open end of a pipe?

P0W8J6All resources on standing waves give the same explanation: waves are free to move in and out of the open end of a pipe and, therefore, this open end must be an antinode. This, of course, explains why standing waves can only form in pipes with length $(2n-1)λ$ where $n$ is an integer. This didn't ...

 
 
3 hours later…
HNQ
12:15 PM
5
Q: Why bother buying efficient lights if you are already heating your house?

MathewAssume I live in a location where at any time of day and any time of year, I need to heat my house. Assume further that I have a room with no windows. In this case, does it make sense for me to buy efficient light bulbs, considering that any inefficiency in converting electricity to visible light...

 

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