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1. ### Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.119 N...?

electrostatic force F = kQq / d² where k = 8.99e9 N·m²/C² first condition: -0.119 N = 8....

2 Answers · Science & Mathematics · 05/09/2019

2. ### Two particles are fixed to an x axis:?

...point to the left, and so the magnitude of the field at the midpoint is E = k*(q1 + q2) / (d/2)² E = 8.99e9N·m²/C² * (3.14e-...

1 Answers · Science & Mathematics · 05/09/2019

3. ### Chem Questions?

energy = k*Q*q / d where k is some constant so adcb then dacb If you find this helpful, please award Best Answer!

2 Answers · Science & Mathematics · 06/09/2019

4. ### A point charge q= -0.45 nC is fixed at the origin.?

...the proton must be placed below the q. Right! • F=m*g • [K|q1||q2|]/r^2=m*g Yep. I'd write it as weight = electrostatic force...

1 Answers · Science & Mathematics · 03/09/2019

5. ### Electric Field Question?

The unrounded answer from part a) is 3.2344x10^17 N/C. It's best to use this unrounded value in part b). The force on charge q in field E is simply F = qE. We can ignore the electron charge's minus sign as we are only...

1 Answers · Science & Mathematics · 04/09/2019

6. ### I tried to solve this problem (Q (a)) but i couldnt find the value of q. any idea how to solve it?

... is force in newtons r is separation in meters k = 8.99e9 Nm²/C²

1 Answers · Science & Mathematics · 01/09/2019

7. ### Two questions regarding electric field?

...for both charges. Sum the horizontal components: Ex = (k*4e-6/18) * cos45 + k*4e-6/18 *cos135 = k*4e-6/18 *[0.7071-0.7071] = 0 Sum...

1 Answers · Science & Mathematics · 01/09/2019

8. ### Figure below shows four charges at the corners of a square of side L.What magnitude and sign of charge Q will make the force on charge q 0?

...the field due to the other two corner charges: kQ / (2L²) = 2*k*10nC*cos45º / L² which leads directly to Q...

1 Answers · Science & Mathematics · 01/09/2019

9. ### Initial Electric Potential Energy, Final Electric Potential Energy, and Work Done?

...with q1 in place and then you bring in q2, the new potential energy is PE = k*q1*q2 / (0.200m*√2) and if you then bring in q3, you have PE' = PE...

1 Answers · Science & Mathematics · 01/09/2019

10. ### I need help?/?

... is force in newtons r is separation in meters k = 8.99e9 Nm²/C²

1 Answers · Science & Mathematics · 31/08/2019