Simone is walking her dog on a leash. The dog is pulling with a force of 32 N to the right and Simone is pulling backward with a
2 answers:
Answer:
Net force acting on them is 16 N and it is acting to the right side.
Explanation:
It is given that,
Force acting by the dog, (right side)
Force acting by Simone , (backward)
Let backward direction is taken to be negative while right side is taken to be positive.
The net force will act in the direction where the magnitude of force is maximum. Net force is given by :
F = 16 N
So, the net force is 16 N and it is acting to the right side.
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Answer:
200A
Explanation:
Given that
the distance between earth surface and power cable d = 8m
when the current is flowing through cable , the magnitude flux density at the surface is 15μT
when the current flow throught is zero the magnitude flux density at the surface is 20μT
The change in flux density due to the current flowing in the power cable is
B = 20μT - 15μT
B =5μT -----(1)
The expression of magnitude flux density produced by the current carrying cable is
-----(2)
Substitute the value of flux density
B from eqn 1 and eqn 2
Therefore, the magnitude of current I is 200A