How Urgent Requests Impact Online Help Response?

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Urgent requests for online help can lead to frustration when guidelines are not followed. Users are reminded to adhere to posting protocols, including providing relevant equations and attempts at solutions. Failure to do so can hinder the chances of receiving assistance. Interestingly, using phrases like "Very urgent!" or "Due tomorrow!" may decrease the likelihood of a response. Properly formatted requests are essential for effective online support.
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very urgent need by tomorrow.question file attached.

very urgent need by tomorrow.question file attached.
 
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File not attached.
 


i uploaded again now.check
 

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its uploaded.urgent...
 


You need to follow the posting guidelines if you expect help. Follow the thread template and include Relevant Equations and an Attempt at Solution; Without seeing your attempt or at least a description of what you know about what the problem involves, we won't know how to help you. We don't do your homework for you!

Also I might point out that it has been found that phrases like "Very urgent!", and "Due tomorrow!" actually make it less likely that your post will be addressed.
 
Thread 'Variable mass system : water sprayed into a moving container'

Thread 'Variable mass system : water sprayed into a moving container'

Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
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Thread 'Egg Drop Challenge! Need ideas for winning designs'

I was thinking using 2 purple mattress samples, and taping them together, I do want other ideas though, the main guidelines are; Must have a volume LESS than 1600 cubic centimeters, and CAN'T exceed 25 cm in ANY direction. Must be LESS than 1 kg. NO parachutes. NO glue or Tape can touch the egg. MUST be able to take egg out in less than 1 minute. Grade A large eggs will be used.
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