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KonstantinChe [14]
2 years ago
14

34000×0.4 ---------------- 0.02×200 In scientific notation

Physics
1 answer:
VashaNatasha [74]2 years ago
4 0

Answer:

the simplified expression is written as 3.4 x 10³

Explanation:

Given expression;

\frac{34000\times 0.4}{0.02 \times 200}

in scientific notation, the expression is simplified as;

\frac{34000\times 0.4}{0.02 \times 200}  = \frac{13600}{4} = 3400 = 3.4 \times 10^3

Therefore, in scientific notation, the simplified expression is written as 3.4 x 10³

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When light falls upon a material that has a natural frequency equal to the frequency of the light, the light will be absorbed by the material. This is due to resonance, which occurs when the frequency of the light matches the natural frequency of the material. The energy from the light is transferred to the material, causing it to vibrate and absorb the light.

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1 year ago
What is the resistance at 20°C of a 2.0-meter length of tungsten wire with a cross-sectional area of 7.9 10^-7
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Answer:

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Explanation:

Hi,

For this question, we gotta use the formula

R = pL/A

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A = cross-sectional area

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By plugging the values, we get:

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