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sergejj [24]
3 years ago
8

Adam is trying to identify a solid. He places a small amount of the substance in an acid solution and observes whether or not a

reaction takes place. This test is based on a _______ property. A. physical B. biological C. chemical D. radical
Physics
2 answers:
Fiesta28 [93]3 years ago
8 0
<h2>Answer is Chemical</h2><h2 /><h3>Explanation: A chemical property is a property that is observed when a chemical reaction takes place. Adam is testing whether the substance reacts with acids. Since this involves a chemical reaction, the test is based on a chemical property.</h3>
gayaneshka [121]3 years ago
7 0
The answer for this one is chemical
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A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 293.0 Hz. The tuner hears 3.0 beats
ololo11 [35]

Answer:

Part a)

f_B = 290 Hz

Part B)

percentage increase is

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Explanation:

Part a)

As we know that the beat frequency is

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after increasing the tension the beat frequency is decreased and hence the tension in string B will increase

So we have

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f_B = 290 Hz

Part B)

percentage increase in the tension of the string will be given as

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now we have

f = \frac{1}{2L}\sqrt{\frac{T}{\mu}}

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T_1 = C (290)^2

T_2 = C(292)^2

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\frac{\Delta T}{T} = \frac{292^2 - 290^2}{290^2}

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4 0
3 years ago
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garri49 [273]

Answer:

0.80 m

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What can happen if the president chooses to veto a law that has been passed? The law returns to being introduced in one of the h
andre [41]

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