1 year ago

Which of the following facts are true about ground level ozone?

Physics

1 answer:

Aneli [31]1 year ago

3 0

Answer:

O2 and primary pollutant

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Compare the pressure exerted by the liquid at points A, B and C. Justify your answer

zzz [600]

Answer:

Pressure is equal in A, B, C and D

Explanation:

Pressure does not depends on the shape of the container

Pressure acting all direction

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2 years ago

Sound with a frequency of 1250 Hz leaves a room through a doorway with a width of 1.05 m.At what minimum angle relative to the c

kiruha [24]

Answer:

15.19°, 31.61°, 51.84°

Explanation:

We need to fin the angle for m=1,2,3

We know that the expression for wavelenght is,

$\lambda = \frac{c}{f}$

Substituting,

$\lambda = \frac{344}{1250}$

$\lambda = 0.2752m$

Once we have the wavelenght we can find the angle by the equation of the single slit difraction,

$sin\theta = \frac{m \lambda}{W}$

Where,

W is the width

m is the integer

$\lambda$ the wavelenght

Re-arrange the expression,

$\theta = sin^{-1} \frac{m\lambda}{W}$

For m=1,

$\theta = sin^{-1} \frac{1 (0.2752)}{1.05}= 15.19\°$

For m=2,

$\theta = sin^{-1} \frac{2 (0.2752)}{1.05}= 31.61\°$

For m=3,

$\theta = sin^{-1} \frac{3 (0.2752)}{1.05}= 51.84\°$

<em>The angle of diffraction is directly proportional to the size of the wavelength.</em>

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2 years ago

How many licks dose it take to eat a lolipop

murzikaleks [220]

Answer: Around 364 to 480

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3 years ago

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How does friction help soccer players

Lena [83]

When soccer players run they are using friction to propell themselves

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3 years ago

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A particle leaves the origin with a speed of 3.6 times 106 m/s at 34 degrees to the positive x axis. It moves in a uniform elect

gogolik [260]

Answer:

1.2X10^3NC

Explanation:

Pls see attached file

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3 years ago