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Murljashka [212]
2 years ago
10

A wire 6.60 m long with diameter of 2.05 mm has a resistance of 0.0310 Ω.

Physics
1 answer:
Alex73 [517]2 years ago
6 0

Answer:

1.551×10^-8 Ωm

Explanation:

Resistivity of a material is expressed as shown;.

Resistivity = RA/l

R is the resistance of the material

A is the cross sectional area

l is the length of the wire.

Given;

R = 0.0310 Ω

A = πd²/4

A = π(2.05×10^-3)²/4

A = 0.000013204255/4

A = 0.00000330106375

A = 3.30×10^-6m

l = 6.60m

Substituting this values into the formula for calculating resistivity.

rho = 0.0310× 3.30×10^-6/6.60

rho = 1.023×10^-7/6.60

rho = 1.551×10^-8 Ωm

Hence the resistivity of the material is 1.551×10^-8 Ωm

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The theory that helps to explain Emma's actions will is Determinism. Option C is corect.

<h3>What is determinism?</h3>

The idea is that all of our actions are the result of some uncontrollable internal or external force or cause.

Similar to the scenario given above, Emma's decision to abandon her studies was driven by an external factor—the fact that she is the family's sole provider of income, over which she has no influence.

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A world class sprinter is travelling with speed 12.0 m/s at the end of a 100 meter race. Suppose he decelerates at the rate of 2
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Answer:

after 6 second it will stop

he travel 36 m to stop

Explanation:

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distance = 100 m

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2 years ago
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Answer:

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Explanation:

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