If a wave is traveling at a steady speed and its frequency is

Chemistry

1 answer:

Nataly [62]3 years ago

4 0

Answer:

If the frequency is doubled, the wavelength is only half as long.

Explanation:

Wave speed equals frequency*wavelength. So doubling the frequency must halve the wavelength in order for wave speed to remain the same.

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radioisotope actinium 225 has half life of 10 days, I begin with 16 kg of this isotope, how much will remain after 40 days?

Igoryamba

$N(t)=N_{0}(\frac{1}{2})^\frac{t}{\tau_{_\frac{1}{2}}}}\\\\
N_{0}=16kg\\
t=40days\\
\tau_{_\frac{1}{2}}}=10days\\\\\\
N(t)=16kg*(\frac{1}{2})^{\frac{40}{10}}=16kg*\frac{1}{16}=1kg$

3 0

3 years ago

Needing some help with this question. Please

Shtirlitz [24]

Since a homogeneous mixture is simply any mixture that is uniform in composition throughout, that means the best possible answer would be bronze.

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3 years ago

Describe how and why the statue of the Sphinx has changed since it was made.

Lyrx [107]

Answer:

I don't know if this will help but. The Great Sphinx has suffered from erosion and vandalism. Hatshepsut's stepson was too young to rule at the time of her husband's death, so she just took the job.

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3 years ago

Smooth muscle myosin is a motor protein that plays a crucial role in the contraction of smooth muscle. If this protein has a mol

zysi [14]

Answer: Thus the mass, in grams, of 27 moles of smooth muscle myosin is 12960000 grams

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass, occupies 22.4 L at STP contains avogadro's number $(6.023\times 10^{23})$ of particles.

Molecular mass of protein = 480,000 g/mol

Thus 1 mole of protein weighs = 480,000 g

So 27 moles of protein weighs = $\frac{480,000}{1}\times 27=12960000g$

Thus the mass, in grams, of 27 moles of smooth muscle myosin is 12960000 grams

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4 years ago

In a stable atom, the number of protons are?

LenKa [72]

Answer:

Every element has a proton, neutron, and electron. The number of protons is equal to the atomic number, and the number of electrons is equal to the protons unless it is an ion.

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3 years ago

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