Two charges of # 6 C # and # -3 C# are positioned on a line at points # 7 # and # 2 #, respectively. What is the net force on a charge of # -1 C# at # 0 #?

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Answer 1 · 2016-04-29T11:03:05

#F_"net"=5,65*10^9N#

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#F_B=k((-1)*(-3))/2^2#

#F_B=(3*k)/4#

#F_A=k((-1)*6)/7^2#

#F_A=-(6*k)/49#

#F_"net"=(3*k)/4-(6*k)/49#

#F_"net"=k((3*49-6*4))/(4*49)#

#F_"net"=(123*k)/196#

#F_"net"=(123*9*10^9)/196#

#F_"net"=5,65*10^9N#