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GaryK [48]
3 years ago
5

Pls I will get spanked if you don't help me.

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0

1KM = 1000metres

3KM =3000metres

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A fluid moves through a tube of length 1 meter and radius r=0.006±0.00025 meters under a pressure p=4⋅105±2000 pascals, at a rat
iris [78.8K]

Answer:

Maximum error for viscosity is 17.14%

Step-by-step explanation:

We know that everything is changing with respect to the time, "r" is changing with respect to the time, and also "p" just "v" will not change with the time according to the information given, so we can find the implicit derivative with respect to the time, and since

n = (\frac{\pi}{8}) (\frac{pr^4}{v})\\

The implicit derivative with respect to the time would be

\frac{dn}{dt}  = \frac{\pi}{8} ( \frac{r^4}{v} \frac{dp}{dt}  + \frac{4pr^3}{v}\frac{dr}{dt} )

If we multiply everything by    dt   we get  

dn  = \frac{\pi}{8} ( \frac{r^4}{v} dp  + \frac{4pr^3}{v}  dr})

Remember that  the error is given by   \frac{dn}{n}   therefore doing some algebra we get that

\frac{dn}{n}  =    4 \frac{dr}{r}  +  \frac{dp}{p}

Since,    r = 0.006   ,   dr = 0.00025 ,  p = 4*105   ,   dp = 2000  we get that

\frac{dn}{n} = 0.1714

Which means that  the maximum error for viscosity is 17.14%.  

5 0
3 years ago
How do i solve x + 6/x = -7
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Answer:

???

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, either you typed in something wrong, or this has no solutions.

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

BTW, brainliest would be greatly appreciated, I only need one more before I advance, thanks!

8 0
3 years ago
Read 2 more answers
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Marizza181 [45]

Answer: (3y) + 7+x

Step-by-step explanation:

You just flip and then their equivalent

3 0
4 years ago
Please answer this as quick as you can
vampirchik [111]

Answer:

Step-by-step explanation:

3 and 2 for what i see with the question  i don't know  if the blue is blocking a tick but i think its 2 and 3 tell me if there  a tick on where the blue started so then i might change my answer

8 0
3 years ago
Multiply 1.5 and 1 as fractions
Andrew [12]
So 1.5 means 1 and 1/2 or 2/2+1/2=3/2

and 1=x/x where x=x so 1 could be 1/1 or 3/3 or 2342/2432 and so on
for simplicity just use 1/1

to multiply fractions just multiply the top numbers by the top numbers and the bottom numbers with the bottom numbers so 
3/2 times 1/1=(1 times 3)/(1 times 2) or the same thing since anything times 1 is the same thing so the answer is 3/2 or 1 and 1/2
8 0
4 years ago
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