Reduce the friction between the moving parts.
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Part A.
In order for the net magnetic field at the center of the circles to be zero, the individual magnetic fields produced by the wires must cancel each other. So in terms of direction, they must be opposite. The answer is:
<span>The currents direction must be counterclockwise
Part B
We have the relationship:
I</span>₁<span>/D</span>₁<span> = I</span>₂<span>/D</span>₂<span>
10/24 = I</span>₂/38
I₂ = 15.83 A
Answer:
2.17 x 10^8 m/s
Explanation:
Angle of incidence, i = 30 degree, refractive index of mineral oil, n = 1.38
Let r be the angle of refraction.
By use of Snell's law
n = Sin i / Sin r
Sin r = Sin i / n
Sin r = Sin 30 / 1.38
Sin r = 0.3623
r = 21.25 degree
Let the speed of light in oil be v.
By the definition of refractive index
n = c / v
Where c be the speed of light
v = c / n
v = ( 3 x 10^8) / 1.38
v = 2.17 x 10^8 m/s
Answer:
Explanation:
From the question we are told that:
Distance
Where
Generally the equation for meters will you traverse to reach your vacation destination is mathematically given by