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ra1l [238]
2 years ago
8

1. A sample of gas has a constant temperature and number of particles. As the volume of the gas sample is increased, the pressur

e of the gas will ________.
a. increase
b. decrease
c. remain constant


2. A sample of gas has a constant volume and number of particles. As the temperature of the gas sample is increased, the pressure of the gas will _______.
a. decrease
b. remain constant
c. increase


3. A sample of gas has constant pressure and number of particles. As the temperature of the gas sample is decreased, the volume of the gas will _______.
a. remain constant
b. increase
c. decrease
Physics
1 answer:
AURORKA [14]2 years ago
4 0

Answer:

1.C

2.C

3.C

Explanation:

hope its help hehe:(

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Group 18 noble gases are inert because
hammer [34]

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d.

Explanation:

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2 years ago
Two sound waves (speed 343 m/s) have different wavelengths. The first has a wavelength of 5.72 m, and the second a wavelength of
lys-0071 [83]

Answer:

The beat frequency is 30 Hz

Explanation:

Given;

velocity of the two sound waves, v = 343 m/s

wavelength of the first wave, λ₁ = 5.72 m

wavelength of the second wave, λ₂ = 11.44 m

The frequency of the first wave is calculated as follows;

F₁ = v/λ₁

F₁ = 343 / 5.72

F₁ = 59.97 HZ

The frequency of the second wave is calculated as follows;

F₂ = v/λ₂

F₂ = 343 / 11.44

F₂ = 29.98 Hz

The beat frequency is calculated as;

Fb = F₁ - F₂

Fb =  59.97 HZ - 29.98 Hz

Fb = 30 Hz

6 0
3 years ago
A car is up on a hydraulic lift at a garage. The wheels are free to rotate, and the drive wheels are rotating with a constant an
masya89 [10]

Answer:

Explanation:

Given

Wheels are rotating with constant angular velocity let say \omega

Presence of constant angular velocity show that there is no angular acceleration thus there is no tangential acceleration.

But any particle on the rim will experience a constant acceleration towards center called centripetal acceleration.

(a) yes, there will be tangential velocity which is given by

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where r=radial distance from center

(b)tangential acceleration

there would be no tangential acceleration as velocity is constant

(c)centripetal acceleration

Yes, there will be centripetal acceleration given by

a_c=\omega ^2\times r

                                   

7 0
3 years ago
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