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yawa3891 [41]
3 years ago
15

What is the angular radius θ1 of the first dark ring for a point source being imaged by this telescope? Use 550 nanometers for t

he wavelength
Physics
1 answer:
xz_007 [3.2K]3 years ago
3 0

Answer: Idek

Explanation:

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A force of 500N Is applied to a steel wire of goss_sectional area 0.2m2 the tensele stress is a. 2.5x10 1nm-2 b. 1 0x102nm-2 c.
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Answer:

the tensile stress of the steel wire is 2.5 x 10³ Nm⁻².

Explanation:

Given;

applied force, F = 5000 N

cross sectional area of the steel wire, A = 0.2 m²

The tensile stress of the steel wire, is calculated as;

\sigma = \frac{F}{A} \\\\\sigma = \frac{500}{0.2} \\\\\sigma = 2500 \ N/m^2\\\\\sigma = 2.5 \ \times \ 10^3 \ Nm^{-2}

Therefore, the tensile stress of the steel wire is 2.5 x 10³ Nm⁻².

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Particles are displaced and return to their normal position after the wave passes

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