2 years ago

In the picture of the atom above, what subatomic particle does the letter A represent?

Physics

1 answer:

ra1l [238]2 years ago

4 0

Answer:

Electron

Explanation:

In the picture, the letter A is pointing to an electron.

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How is light refracted inside a crystal ball ?

Bingel [31]

The light refects ofthe sides

7 0

3 years ago

An airplane traveling at one third the speed of sound (i.e., 114 m/s) emits a sound of frequency 3.72 kHz. At what frequency doe

nlexa [21]

Answer:

f'=5.58kHz

Explanation:

This is an example of the Doppler effect, the formula is:

$f'=\frac{(v+v_o)}{(v+v_s)}f$

Where f is the actual frequency, $f'$ is the observed frequency, $v$ is the velocity of the sound waves, $v_o$ the velocity of the observer (which is negative if the observer is moving away from the source) and $v_s$ the velocity of the source (which is negative if is moving towards the observer). For this problem: