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tino4ka555 [31]
3 years ago
8

The nuclides having the same number of

Physics
1 answer:
frez [133]3 years ago
6 0

Answer:

isotopes

Hope this helps

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If the length of the air column in the test tube is 14.0 cm, what is the frequency of this standing wave?
GaryK [48]

Answer:

f = 614.28 Hz

Explanation:

Given that, the length of the air column in the test tube is 14.0 cm. It can be assumed that the speed of sound in air is 344 m/s. The test tube is a kind of tube which has a closed end. The frequency in of standing wave in a closed end tube is given by :

f=\dfrac{nv}{4l}

f=\dfrac{1\times 344}{4\times 0.14}

f = 614.28 Hz

So, the frequency of the this standing wave is 614.28 Hz. Hence, this is the required solution.

4 0
4 years ago
N in-ground swimming pool has the dimensions shown in the drawing. It is filled with water to a uniform depth of 3.00 m. The den
Doss [256]

Answer:

The pressure is  P = 1.31*10^{5} \ Pa

Explanation:

From the question we are told that

    The depth of the swimming pool is  d =  3.00 \  m

     The density of water is  \rho = 1.00*10^{3} \  kg /m^3

Generally the  total pressure exerted on the bottom of the swimming pool is mathematically represented as

          P = P_o + \rho * g * h

Here P_o is the atmospheric pressure with value

        P_o  =  101325 \  Pa

So

        P = 101325 + [1000 * 9.8 * 3]

=>     P = 130725 \ Pa

=>    P = 1.31*10^{5} \ Pa

     

7 0
3 years ago
Human population growth rates are increasing. Assuming that the biocapacity of earth does not change, what will need to happen t
iogann1982 [59]

I think it would need to decress bro

3 0
3 years ago
Read 2 more answers
how much thermal energy is absorbed by a copper water pipe with a mass of 2.3kg when its temperature is raised from 20.0 to 80.0
Sphinxa [80]

Explanation:

q = mCΔt

q = (2.3 kg) (385 J/kg/K) (80.0°C − 20.0°C)

q ≈ 53,000 J

q ≈ 53 kJ

3 0
3 years ago
Which of the following changes would double the force between two charged particles? O A. Decreasing the distance between the pa
jarptica [38.1K]

Let's check

\\ \rm\dashrightarrow F=\dfrac{k}{q_1q_2}{r^2}

\\ \rm\dashrightarrow F\propto Q

\\ \rm\dashrightarrow F\propto \dfrac{1}{r^2}

So

Option A and C can be used

6 0
2 years ago
Read 2 more answers
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