Answer:
Magnetic field, B = 0.23 T
Explanation:
Given that,
Length of the copper rod, L = 0.49 m
Mass of the copper rod, m = 0.15 kg
Current in rod, I = 13 A (in +ve y direction)
When the rod is placed in magnetic field, the magnetic force is balanced by its weight such that :
So, the magnitude of the minimum magnetic field needed to levitate the rod is 0.23 T.
1.)t.v
2.) tablet
3.)nightstand
4.) led lights
5.) soft pillow
That’s all I can think of because I don’t have a lot
Divergense theorem says flux across the closed surface = ∫∫∫ div F dV
<span>div F = 3y^2+ 3 z^2 </span>
<span>convert to cylindrical </span>
<span>y = r cos t </span>
<span>z = r sin t </span>
<span>x = x </span>
<span>dx dy dz = r dx dr dt </span>
<span>∫ [0, 2pi]∫[0,3]∫ [-1,3] 3r^3 dx dr dt </span>
<span>2pi(3)(81/4)(4) </span>
<span>486pi
</span>
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Oil is a compound.
The species which contain more than one element is called compound. Oil is a mixture of many elements like liquid hydrocarbons, oxygen, nitrogen, sulphur, hydrogen gas etc. This elements form a large variety of structure.
Answer:
The angle is 84.26⁰
Explanation:
The angle the axis of a polarizing filter need to make with the direction of polarized light is given by;
I = I₀Cos²θ
where;
I is the intensity of the polarized light transmitted from the polarizer
I₀ is the intensity of the polarized light incident on the polarizer
Given;
I₀ = 1.00 kW/m² = 1000 W/m²
I = 10 W/m²
Therefore, the angle is 84.26⁰
