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ss7ja [257]
3 years ago
15

The moment of inertia of a uniform equilateral triangle with mass m and side length a about an axis through one of its sides and

parallel to that side is (1/8) ma^2. What is the moment of inertia of a uniform regular hexagon of mass m and side length a about an axis through two opposite vertices?
Physics
1 answer:
Bond [772]3 years ago
8 0
No Idea sir skskskhhhhfffvftujbvf
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If =12a andthe distance from each wire to point p is 0.12m, then what is the magnitude of the magnetic force per unit length on
vaieri [72.5K]

The magnitude of the magnetic force per unit length on the top wire is

2×10⁻⁵  N/m

<h3>How can we calculate the magnitude of the magnetic force per unit length on the top wire ?</h3>

To calculate the magnitude of the magnetic force per unit length on the top wire, we are using the formula

F= \frac{\mu_0 I_f}{2\pi d}

Here we are given,

\mu_0= magnetic permeability

= 4\pi×10⁻⁷ H m⁻¹

If= 12 A

d= distance from each wire to point.

=0.12m

Now we put the known values in the above equation, we get

F= \frac{\mu_0 I_f}{2\pi d}

Or, F = \frac{4\pi \times 10^{-7}\times  12}{2\pi \times 0.12}

Or, F= 2×10⁻⁵ N/m.

From the above calculation, we can conclude that the magnitude of the magnetic force per unit length on the top wire is 2×10⁻⁵ N/m.

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brainly.com/question/2279150

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Which one would it be ?
MA_775_DIABLO [31]

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8 0
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Two golf balls are hit from the same point on a flat field. Both are hit at an angle of 20° above the horizontal. Ball 2 has twi
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Answer:

E) d_{2} = 4d_{_{1}}

Explanation:

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<u>Now, range for ball 1 :</u>

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<u>Now, range for ball 2 with double velocity and all the other parameters being the same:</u>

d_2=\frac{(2u)^2.sin\ \2\theta}{g}

d_2=4\times \frac{u^2.sin\ \2\theta}{g}

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