3 years ago

I’m ugly ain’t I ??????

Physics

2 answers:

olga55 [171]3 years ago

7 0

Aw don’t say that! I’m sure your beautiful:)

igor_vitrenko [27]3 years ago

3 0

Answer:

No. God is beautiful right? He created everyone in His own image so you are not ugly.

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A standing wave of the third overtone is induced in a stopped pipe, 2.5 m long. The speed of sound is The frequency of the sound

NemiM [27]

Answer:

f3 = 102 Hz

Explanation:

To find the frequency of the sound produced by the pipe you use the following formula:

$f_n=\frac{nv_s}{4L}$

n: number of the harmonic = 3

vs: speed of sound = 340 m/s

L: length of the pipe = 2.5 m

You replace the values of n, L and vs in order to calculate the frequency:

$f_{3}=\frac{(3)(340m/s)}{4(2.5m)}=102\ Hz$

hence, the frequency of the third overtone is 102 Hz

8 0

3 years ago

A Roller Derby Exhibition recently came to town. They packed the gym for two

arlik [135]

Answer:

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Explanation:

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m1u1 + m2u2 = v(m1 + m2)

68×17 + 76×12= v(68+76)

1156+912 = 144v

2068 = 144v

v = 2068/144

=14.36 m/s

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3 years ago

electromagnetic waves of wavelengths 1,34nm are emitted. how much energy do photons of this light have

Sergio039 [100]

Answer:

$energy = \frac{planck \: const.\: \times speed \: of \: light}{wavelength}$

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2 years ago

Please help with 4 and 5, thank you :)

allochka39001 [22]

Answer: #4

Sally is faster.

Explanation:

If you multiply Sallies it is going to be less than Jessica's.

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2 years ago

The physical structure of the earth’s rock is changed by _____.

PSYCHO15rus [73]

It could be stress or strain

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3 years ago

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