'Intelligent person' could be a possibility for your answer, also a 'scientist' or a 'philosopher' as well as 'an old person' may equal to the meaning of being 'wise humans'.
Answer: -25.4
Explanation:
Acellus don’t forget the negative sign
The magnitude of the magnetic field inside the solenoid is 4.56 X 10-3 T
A magnetic subject is a vector subject that describes the magnetic effect on shifting electric fees, electric currents, and magnetic materials. A shifting rate in a magnetic subject experiences a force perpendicular to its own speed and to the magnetic area.
A magnetic area is a vector area that describes the magnetic have an impact on transferring electric powered prices, electric powered currents, and magnetic substances. A moving rate in a magnetic area studies a force perpendicular to its very own pace and to the magnetic subject.
Calculation
B = UNI/L
B = (4pi X 10-7)(25)(1.45)/(.01)
B = 4.56 X 10-3 T
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We know, w = F * s
54 = 45 * s
s = 54 / 45
s = 1.2 m
In short, Your Answer would be Option B
Hope this helps!