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xxMikexx [17]
3 years ago
13

Name the examples of compounds and their crystalline structure or shape.​

Physics
1 answer:
borishaifa [10]3 years ago
3 0

Answer:

Water - Formula: H2O = Hydrogen2 + Oxygen. ...

Hydrogen Peroxide - Formula: H2O2 = Hydrogen2 + Oxygen2 ...

Salt - Formula: NaCl = Sodium + Chlorine. ...

Baking Soda - Formula: NaHCO3 = Sodium + Hydrogen + Carbon + Oxygen3 ...

Octane - Formula: C8H18 = Carbon8 + Hydrogen18

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You are presented with several wires made of the same conducting material. The radius and drift speed are given for each wire in
jekas [21]

\begin{array}{ccc}&\text{Radius} & \text{Drift Speed}\\d) & 2 \; r &2.5 \; v\\a) & 3 \; r &1 \; v\\b) & 4 \; r &0.5 \; v\\c) & 1 \; r &5 \; v\\\end{array}

<h3>Explanation</h3>

I = v \cdot A \cdot n \cdot q,

where

  • I is the current;
  • v is the drift speed;
  • A is the cross-section area of the wire,
  • n is the number of charge carrier per unit volume, and
  • q is the charge on each charge carrier.

Area of a circular cross-section:

A = \pi \cdot r^{2},

where

  • r is the radius of the wire.

n and q are the same for all four samples, for they are made out of the same material.

As a result, I of each wire is directly proportional to v \cdot r^{2} where the value of \pi \cdot n \cdot q is constant.

For each of the four wires:

\begin{array}{ccc|c}\\& r & v &I \propto v\cdot r^{2}\\a) & 3 & 1 & 9\\b) & 4 & 0.5 & 8\\c) & 1 & 5 & 5\\d) & 2 & 2.5 & 10\\\end{array}.

How do the four wires rank by their current?

d > a > b > c.

3 0
4 years ago
) Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. the electric field at a point P, whic
aleksandr82 [10.1K]

Answer:

Explanation:

Point P is situated outside sphere . For a non conducting sphere , electric field outside sphere is given by the relation

E = k Q / d²

15000 = 9 x 10⁹ x Q / .5²

Q = 416.67 X 10⁻⁹

Maximum field will be when d = r ( radius )

maximum E = kQ / r²

= 9 x 10⁹ x 416.67 X 10⁻⁹ / .3²

= 41667 N / C

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3 years ago
Which is the transfer of energy as waves moving through space?
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RADIATION is the transfer of energy as waves moVing through space.

Hope this helps you!

~Autumly
5 0
4 years ago
Read 2 more answers
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