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statuscvo [17]
3 years ago
8

What is a substance?

Physics
1 answer:
Anna007 [38]3 years ago
3 0

Answer:

A physical matter

Explanation:

A kind of matter with uniform physical properties

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An uniform electric field of magnitude E = 100 N/C is oriented along the positive y-axis. What is the magnitude of the flux of t
Ede4ka [16]

Answer:

The magnitude of the flux of electric field through a square of surface area is zero.

Explanation:

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It is given that square box is parallel to yz-plane which has normal vector perpendicular to plane in x-direction. Angle between normal vector of area and electric field is 90°. Substituting in (1)

\phi_E=E.A\,cos\,(90^o)\\\\\phi_E=0

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Find the rms speed of the molecules of a sample of n2 (diatomic nitrogen) gas at a temperature of 31.5°c.
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The rms speed can be calculated using the following rule:
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Substitute with the givens to get the rms speed as follows:
rms speed = sqrt [(3*8.314*304.5) / (0.028)] = 520.811 m/sec
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Resistance independent to : a. Shape b. Size c. Physical state d. None
lesantik [10]

Answer:

d.none

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By giving them an advice and by giving them encouraging and explaining the any theory
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