To calculate for the force in a spring, we use Hooke's Law which relates force and the displacement of the spring. It is said that the force is directly proportional to the displacement. So, it will have the equation F = kx where k is a constant and it is the spring constant.
F = kx
F = 45 N/m (0.03)
F = 1.35 N
The answer is centimeters.
Different:
1. number of moons
2. size of rings
3. mass
4. temperature
5. type of rings
i might be wrong though.
Radius of the circular loop is 0.0091m.
<h3>What is magnetic field?</h3>
Magnetic field is the area around a magnet where the magnetism influence is felt .
<h3>What is the magnetic field at the centre of a circular loop?</h3>
- The formula for magnetic field at the centre of a loop is
B =(μ)I/2r
- where B= Magnetic field at the centre of a circular loop
μ= Magnetic permeability =4(π)*10^(-7)
I= current flowing through the loop
r= radius of the loop
- Thus, radius of the loop =(4(π)×10^(-7)×5.7)/(2×3.9×10^(-4))
=0.0091m
Thus, we can conclude that the radius of the loop is 0.0091m .
Learn more about magnetic field here :
brainly.com/question/24761394
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