Physics
posted by Hannah .
For the problem
(8.99 X 10^9 NM^2/c^2)(1 X 10^6c) / (.1m)^2 = .90 N
When I put this in my calculator I did not get .90N. Am I suppose to convert the units to get the answer. Thank you for your help.

Physics 
Steve
I see Nm^2/c^2 * c / m^2 = N/c
Your units appear mangled.
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