3 years ago

If the pitch of the note becomes higher

1 answer:

3 0

That tells us that the frequency of the sound wave increased, the period decreased, and the wavelength decreased. The guitar player may be twanging a higher string, OR he may be playing the same note but started walking toward us.

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As the train in the image moves to the right, which person hears the train horn at a lower pitch?

Anarel [89]

Explanation:

the persons in the train hears it at a lower pitch

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2 years ago

After meeting the end the wave willa- reflect with larger amplitude.b- disappear.c- reflect with the same displacement. (not inv

Margarita [4]

Answer:

c- reflect with the same displacement. (not inverted)

Explanation:

When a wave goes to an end that is free to move, the reflected wave will be equal to the initial wave but will go to the opposite direction. Since the end of the wave is free to move, the answer is

c- reflect with the same displacement. (not inverted)

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I believe it is dependent :)

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3 years ago

An 80kg parachutist jumps out of an airplane. Neglecting air friction, how fast will he be going after a 10 second free fall?

olganol [36]

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2 years ago