Asked by arcos15
The strength of attraction, Fm, between two magnets can be described as Fm~1/d2. You separate the two magnets from d=1 cm to d=7 cm.
a) Does the strength of attraction increase or decrease?
-decrease
-increase
b) By what factor does Fm change?
-1/36
-49
-36
-1/49
-6
-1/6
-1/7
-7
a) Does the strength of attraction increase or decrease?
-decrease
-increase
b) By what factor does Fm change?
-1/36
-49
-36
-1/49
-6
-1/6
-1/7
-7
Answers
Answered by
drwls
decrease; 1/49
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