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Murrr4er [49]
2 years ago
14

Which word best describes this? Particle O Atom O Molecule O Substance

Physics
1 answer:
skelet666 [1.2K]2 years ago
3 0
That’s an atom

I hope that helped
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A stereo speaker produces a pure \"c\" tone, with a frequency of 262 hz. what is the period of the sound wave produced by the sp
jasenka [17]

Answer:

3.82 ms

Explanation:

The period of a wave is equal to the reciprocal of the frequency:

T=\frac{1}{f}

where f is the frequency.

In this problem, f = 262 Hz, so the period if this sound wave is

T=\frac{1}{262 Hz}=3.82\cdot 10^{-3} s=3.82ms

4 0
3 years ago
Use the following half-life graph to answer the following question:
Temka [501]

Answer:

A 1.0 min

Explanation:

The half-life of a radioisotope is defined as the time it takes for the mass of the isotope to halve compared to the initial value.

From the graph in the problem, we see that the initial mass of the isotope at time t=0 is

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The half-life of the isotope is the time it takes for half the mass of the sample to decay, so it is the time t at which the mass will be halved:

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We see that this occurs at t = 1.0 min, so the half-life of the isotope is exactly 1.0 min.

3 0
3 years ago
Speed is the rate of change in
vaieri [72.5K]
Speed is the rate of change <span>of distance.</span>
6 0
3 years ago
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If two temperatures differ by 25 degrees on Celsius scale, the difference of temperature on Fahrenheit scale is?
Mekhanik [1.2K]

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25 x 9/5 = 45 degrees Fahrenheit

Explanation:

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If 90J of energy are available for every 30C of charge, what is the potential difference?
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3 v

Explanation:

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