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ホームブログ記事 #38972

help with physics pleasehelp with physics please

LexiyLexiy1年前Misc
https://s9.postimg.org/lduiap4zj/received_10215681152122264.jpg

can someone please help me? I don't quite understand this.
クリク数:2,521 • コメント数:16

コメント16

面白いコメント
70pt
Cantisama (1年前) #30899916I think you're lost (in more ways than one). This be a figure site ^^;
Well, he is trying to figure out the answer.
1年前
22pt
There are three forces, electricity, tension and gravitation.
To solve this problem, you choose the coordinate system with x in the direction of Tension and then you must select the forces in the x direction. You just have to multiply by the cosine and the sine of the angles.

T = P * cos (24º) + Fe * cos (12º)
http://i65.tinypic.com/10xu4c1.jpg
1年前
Recent Comments
4pt
Love the fact that MFC now stands for My Friends Science.
1年前
6pt
...off topic, but what course are you taking?

(i want to make sure I'll never have to cross paths with this bullshit in my lifetime)
1年前
0pt
My answer is “I haven’t got a clue either” but...after a bit of digging I’d say I would try figuring it out via Coulomb’s constant. I don’t know for sure if the angles are a red herring but I am suspicious. This probably is no help but I thought I’d give it a stab.
1年前
6pt
Sorry, i don't notice that the problem don't include the mass. For calculate the mass, you must protect the force electric and gravitational. Like the system is in equilibrium, the forces are equal and you can calculate the mass.
http://i68.tinypic.com/10h16qh.jpg
1年前
2pt
pon (1年前) #30899971There are 3 forces acting on the top charge. F_electric, F_gravitational, F_tension.Espi (1年前) #30900000There are three forces, electricity, tension and gravitation.
I believe he's going to need some more trigonometry to determine the gravitational force, as the mass of the charge wasn't disclosed in the problem.
1年前
6pt
Hello again maths >.>
1年前
1pt
darkfader lolicon
inb4, a question about strange attractors.
1年前
3pt
WanderingWastrel (1年前) #30899968Well, he is trying to figure out the answer.

Omg, best joke ever. You made my day xD
1年前
7pt
The answer is 42......
1年前
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