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rodikova [14]
3 years ago
14

Please help I can’t get this right

Physics
1 answer:
True [87]3 years ago
8 0

Answer:

6,76 x 10^-7 T.

Explanation:

The Magnetic field formula for a wire is B=(μ x I)/2πd , where μ (=4π x 10^-7 Tm/A) is the permeability, <u>I</u> is the current and <u>d</u> is the distance.

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Which type of electromagnetic radiation is most likely to cause sunburn?
MrMuchimi
-The Answer is A Ultraviolet-

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3 years ago
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A car moving at a speed of 20m/s has a kinetic energy of 300,000 J what’s the cars mass
Alexxx [7]

Answer:

<h2>1500 kg</h2>

Explanation:

The mass of the car can be found by using the formula

m =  \frac{2k}{ {v}^{2} }  \\

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<h3>1500 kg</h3>

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3 years ago
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5 0
4 years ago
A uniform electric field exists in the region between two oppositely charged plane-parallel plates. An electron is released from
Zigmanuir [339]

Answer:

Explanation:

  • given S = distance from the first = 3.20cm = 0.032m, t = 1.30×10−8 s
  • q = 1.6 x 10_19C
  • using S = at^2/2
  • acceleration = 0.032 X 2 /(1.30×10−8)^2

a = 3.79 x 10^14m/s^2

  • From F = ma
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E = ma /q = 9.11 x 10^-31 x 3.79 x 10^14 / 1.6 x 10^-19

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= 2 X 3.79 x 10^14 X 0.032

= 4.92 X 10^6m/s

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3 years ago
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