help please! Four charges of magnitude +q are placed at the corners of a square whose sides have a length d. What is the magnitude if the total force exerted by the four charges on a charge Q located a distance b along a line perpendicular to the plane of the square and equidistant from the four charges?

Question

anonymous · Answer

wel.. did you understand how the charges are placed? .. its in three dimensions

anonymous · Answer

yes, i did the diagram, actually i resolved it but idk if its right :(

anonymous · Answer

show me the work.. ll see what you did :)

anonymous · Answer

perfect, i'll send u the work

anonymous · Answer

oki!

anonymous · Answer

im not sure about the d^2/2

anonymous · Answer

wait lemme check

anonymous · Answer

ok, take ur time

anonymous · Answer

omg.. thats awesome.. i don't see any mistake in that !! you know your maths ;-)

anonymous · Answer

well, i love biochem... not math but im trying

anonymous · Answer

well.. its perfect.. :)..

anonymous · Answer

good to know! cuz this was my last exercise :D

anonymous · Answer

which grade are you in?

anonymous · Answer

im junior... 
biochem and genetics major at Iowa State Uni

anonymous · Answer

nice .. anwyays problem solved.. now close this :P

anonymous · Answer

haha i will! thanks!