3 years ago

Some fabrics build up better than others because

Physics

2 answers:

Alex Ar [27]3 years ago

3 0

Some fabrics build up better than others because they are better insulators (A).

Hope this helped :)

d1i1m1o1n [39]3 years ago

3 0

Some fabrics build up better than others because they are better insulators.

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A bicycle wheel of radius 0.70 m is rolling without slipping on a horizontal surface with an angular speed of 2.0 rev/s when the

aleksandrvk [35]

Answer:

θ= 5 radian

Explanation:

Given data:

Radius r = 0.70 m

Initial angular speed ω_i = 2rev/s

Time t = 5 s

Final angular speed ω_f =0

so we have angular displacement

$\theta= \frac{\omega_f-\omega_i}{2}\times t$

putting values

$\theta= \frac{0-2}{2}\times5$ = 5 rad

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3 years ago

The earth has a vertical electric field at the surface, pointing down, that averages 119 N/C . This field is maintained by vario

velikii [3]

Answer:

$q=5.37*10^{5}C$

Explanation:

If we assume that the Earth is a spherical conductor, according to Gauss's Law, the electric field is given by:

$E=\frac{kq}{r^2}$

Here k is the Coulomb constant, the excess charge on the Earth's surface and r its radius. Solving for q:

$q=\frac{Er^2}{k}\\q=\frac{119\frac{N}{C}(6.371*10^6m)^2}{8.99\frac{N\cdot m^2}{C^2}}\\q=5.37*10^{5}C$

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3 years ago

Need some help with this!

zvonat [6]

Answer: what’s it asking

Explanation:

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3 years ago

Read 2 more answers

Current is directly proportional to resistance.<br> a. True<br> b. False

ikadub [295]

IF voltage remains constant, then current is
inversely proportional to resistance.

The correct response is "b).", signifying "false" as the choice.

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3 years ago

Would someone just answer this?

Alecsey [184]

Answer:

I answered :)

Explanation:

i just dk the right answer

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3 years ago