2 years ago

In __________ waves, the motion of the particles in a medium is across the direction of the wave (perpendicular).

Physics

1 answer:

Alex_Xolod [135]2 years ago

4 0

In longitudinal waves, the motion of the particles in a medium is across the direction of the wave.

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g The current through a 10 m long wire has a current density of 4 cross times 10 to the power of 6 space open parentheses bevell

olga55 [171]

Answer:

The value is $V = 2 V$

Explanation:

From the question we are told that

The length of the wire is $l = 10 \ m$

The current density is $J = 4*10^6 \ A/m^2$

The conductivity is $\sigma = 2*10^{7} \ S/m$

Generally conductivity is mathematically represented as

$\sigma = \frac{l}{RA}$

Here R is the resistance which is mathematically represented as

$R = \frac{V}{I}$

Here I is the current which is mathematically represented as

$I = J * A$

$R = \frac{V}{ J * A}$

And

$\sigma = \frac{l}{\frac{V}{ J * A} * A}$

=> $\sigma = \frac{l}{\frac{V}{J}}$

=> $V = \frac{l * J}{\sigma }$

=> $V = \frac{10 * 4*10^6}{2*10^{7} }$

=> $V = 2 V$

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2 years ago

A point from which the position of other objects can be described is called what?

Alisiya [41]

Answer:

Reference Point

Explanation:

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How many different types of atoms are present in one molecule of aluminum hydroxide, Al(OH)3?

tatyana61 [14]

There are approximately 3 different types of atoms that are present in one molecule of aluminum hydroxide, AI(OH)3.

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volcanoes can form along all of the following except a) transform boundaries b) hot spots c) convergent boundaries d) divergent

elena-14-01-66 [18.8K]

A.) Transform Boundaries

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Power = work/time

= 500/10

= 50J/s or 50 watt

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