Jire
 Name:
 Valtteri Jutila
 School:
 Ressun lukio IB World School 1419
 About:
 http://9gag.com/gag/108741/
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Questions Asked

Jire:
Group Title
I really need help with this one. Finding solubility of Ca(OH)2 by titrating with 0.1 mol HCl. Ca(OH)2 mass is unknown. Initial pH in soluti…
 updated 8 months ago
 No Medals Yet
Mathematics

Jire:
Group Title
Why doesn't magnetic field strength decrease as a function of x in B = 1/x^2? For that matter, it does not decrease as a function of 1/x^n i…
 updated 10 months ago
 1 reply
 No Medals Yet
Mathematics

Jire:
Group Title
This is for the single most important physics paper I have made when studying high school physics. Imagine two let's say cylindrical magnets…
 updated 11 months ago
 4 replies
 No Medals Yet
Mathematics

Jire:
Group Title
What are the relative magnetic "strengths" of the following neodymium magnet: 5mm height, 20mm diameter? I need to have some "absolute", the…
 updated 11 months ago
 2 replies
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Mathematics

Jire:
Group Title
Explain this complex concept with formulas, physics pros; magnetic dipole moments. It's for an important research. The formulas are on this …
 updated 11 months ago
 3 replies
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Mathematics

Jire:
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Here's one that should swift and easy for someone with a sense of geometry. The matter is very urgent, if I may say. Imagine two squares on …
 updated 11 months ago
 2 replies
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Mathematics

Jire:
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I am going to do a paper on how two magnets repel each other. I was thinking of having such an experiment where a pair of bar magnets are in…
 updated one year ago
 5 replies
 1 Medal
Mathematics

Jire:
Group Title
Help with my mathematical exploration task: What should I start to look at? My idea is that a cube is approaching a sphere with a certain ve…
 updated one year ago
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Mathematics

Jire:
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Heeelp! = D + 1 = tan x + sec x  find the possible angles x between pi and pi
 updated one year ago
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Mathematics

Jire:
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quick question! im being dementic about solving trigonometric identities. sin(x) = 1, solve for x when pi (<=) x (<=) pi
 updated one year ago
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Mathematics

Jire:
Group Title
range of x is 180 to 180 degrees. solve for x in sin x * cos x = 1/2
 updated one year ago
 2 replies
 1 Medal
Mathematics

Jire:
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(x^2 + x) / (x  1) Discuss the behaviour as x > 1 (x approaches but never reaches 1) Btw "discuss" here just means that you give the limit…
 updated one year ago
 1 reply
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Mathematics

Jire:
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Help with limits (See picture)
 updated one year ago
 2 replies
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Mathematics

Jire:
Group Title
URGGGEEEENT! A set of 10 lamps burn throughout the year. A single lamp has an 80% (0.8) chance of failing during the year. What is the proba…
 updated one year ago
 14 replies
 1 Medal
Mathematics

Jire:
Group Title
This is uuurgeeent. The diameters produced by a machine are normally distributed with a mean of 10cm and a standard deviation of 0.1cm. Find…
 updated one year ago
 2 replies
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Mathematics

Jire:
Group Title
The probability to win a prize is 0.25 with one go. The game is played for 10 times. X denotes the number of prices won. Find E(X)
 updated one year ago
 18 replies
 1 Medal
Mathematics

Jire:
Group Title
Quick help  stuck with a probability question! A 6sided die is rolled twice. The outcome each time is either 6 or not 6
…
 updated one year ago
 10 replies
 1 Medal
Mathematics

Jire:
Group Title
if p = sin40 then why is sin140 = p too? isnt it supposed to be a 90 degree difference or something?
 updated one year ago
 8 replies
 3 Medals
Mathematics

Jire:
Group Title
Superuper urgent basic "differentiate with respect to x" problem: sqrt of [3  4x]
Since my booklet says formula is x^n = n*x^(n1)
…
 updated one year ago
 47 replies
 1 Medal
Mathematics

Jire:
Group Title
Find the period and amplitude of the following functions! *PICTURE INCLUDED*
 updated one year ago
 11 replies
 1 Medal
Mathematics

Jire:
Group Title
PLEASE HELP QUICK. Show that sin(90θ) = cosθ (where a right angle triangle has sides b and a and hypotenuse c, where b is longer than a) <…
 updated one year ago
 27 replies
 1 Medal
Mathematics

Jire:
Group Title
*SUPER URGENT* Please explain how the concept of torque applies to a circuit  in a situation where the flow of electrons in a circuit goes …
 updated one year ago
 36 replies
 1 Medal
Mathematics

Jire:
Group Title
Is electromagnetic torque also something found inside every circuit through which current is traveling? Because when i searched for electrom…
 updated one year ago
 4 replies
 1 Medal
Mathematics

Jire:
Group Title
EXTREME HURRY!! State the ionization constant expression Ka for lactic acid. Given: pKa = 3.85 and Ka = 1.4*10^4 mol dm^3
What is pKa…
 updated one year ago
 4 replies
 1 Medal
Mathematics

Jire:
Group Title
Someone PLEASE explain to me the difference between unbiased and biased estimates in statistics!
 updated one year ago
 1 reply
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Mathematics

Jire:
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*URGENT* My textbook has some exercises which asks me to construct a frequency table and tells me which class intervals to use (for example …
 updated one year ago
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Mathematics

Jire:
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if i have like 48 numbers F. ex. 31.2 and the lowest is 20.4 and the highest 34.3 and I'm to make a frequency table of this, what intervals …
 updated one year ago
 1 reply
 1 Medal
Mathematics

Jire:
Group Title
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 updated one year ago
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Mathematics

Jire:
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*SIMPLE STATISTICS QUESTION* You're presented with a 8x6 table of numbers, for example: 1.70, 2.02, 1.59. "Construct a frequency table using…
 updated one year ago
 1 reply
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Mathematics

Jire:
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EXTREMELY URGENT *Simplifications are accepted if no other way is found* I need to DETERMINE the FORCE exerted by an ELECTROMAGNET to an I…
 updated one year ago
 12 replies
 No Medals Yet
Mathematics
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