3 years ago

Can any one please help me on this on kinda lost thank you

1 answer:

7 0

Speed of sound in cold air, speed of sound in warm air, speed of sound in steel speed of sound in water, and speed of sound in hot molten lead

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Gnesinka [82]

Are there a list of things to choose from, without that its hard to answer

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3 years ago

olga2289 [7]

Explanation:

Below is an attachment containing the solution.

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3 years ago

Volgvan

Answer: lower frequency and a longer wavelength

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3 years ago

timama [110]

Answer:

The mass of Uranium present in a 1.2mg sample is $4.8 \cdot 10^{-6}\,mg$

Explanation:

The ration between Uranium mass and total sample mass is: $\frac{4g}{1000kg} =\frac{4g}{1000000g}=\frac{1}{250000}$

For a sample of mass 1.2 mg, the amount of uranium is:

$1.2\, mg \cdot \frac{1}{250000}=4.8 \cdot 10^{-6}\,mg$

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3 years ago

guapka [62]

It is very very true

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3 years ago