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

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

1 Answer

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Answer 1 · 2017-02-09T07:32:32

The answer is
#F_21=2.25**10^9#

Explanation:

We all know that they will exert force equal to
# F = kq_1**q_2//r^2#
So we can put #q_1 = 2 and q_2= 1#
As sign is never considered and r = 4 from -2 to +2..and #k=9**10^9#

You will get #2.25**10^9# as answer

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

1 Answer

Explanation:

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