Two boxes are accelerated to the right on a frictionless horizontal surface. The larger box has a mass of 9 kilograms and the sm
aller box has a mass of 3 kilograms. If a 24-newton horizontal force pulls on the larger box, with what force does the larger box pull on the smaller box?
A)3N B)6N C)8N D)18N E)24N
A)3N B)6N C)8N D)18N E)24N
2 answers:
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Answer:
Explanation:
As we know that current density is ratio of current and area of the crossection
now we have
so the current through the wire is given as
now we have
here we have
now plug in the values in above equation
now we have
now plug in both limits as mentioned
here R = 2.11 mm