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DiKsa [7]
3 years ago
12

Each color is visible light corresponds to a different?

Physics
2 answers:
AnnyKZ [126]3 years ago
8 0
Wavelengths and frequecy
storchak [24]3 years ago
4 0
Its got to be A hope this helps

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A 30-cm long string, with one end clamped and the other free to move transversely, is vibrating in its second harmonic. The wave
Ann [662]

Answer:

\lambda = 40 cm

Explanation:

given data

string length = 30 cm

solution

we take here equation of length that is

L = n \times \frac{1}{4} \lambda     ...............1

so

total length will be here

L = \frac{\lambda}{2} +  \frac{\lambda}{4}\\

L = \frac{3 \lambda }{4}

so \lambda  will be

\lambda = \frac{4L}{3}\\\lambda = \frac{4\times 30}{3}

\lambda = 40 cm

5 0
3 years ago
To find the number of neutrons in an atom, what would you subtract?
kolezko [41]
You look up the element in the periodic table. Subtract the atomic number (small number) from the mass number (big number). The answer is the number of neutrons.
7 0
3 years ago
Which stage of sleep usually comes before REM sleep
kumpel [21]
Stage 4





Hope this helps
7 0
3 years ago
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If the beam is made from wood having an allowable shear stress τallow = 390 psi , determine the maximum magnitude of p. set d =
xenn [34]

Answer:

19593.6 p

Explanation:

3 0
3 years ago
PLEASE HELP ASAP!!!!
Sladkaya [172]

Answer:12.5 W

Explanation:

work = force * distance

175 J = 25N * d

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6 0
2 years ago
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