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kicyunya [14]
3 years ago
7

The D on a violin has a frequency of 293 Hz when it is in tune. Calculate the period.

Physics
1 answer:
qwelly [4]3 years ago
8 0
Answer:
The period would be 0.0034 seconds

Explanation:
The d string has a frequency of 293 Hz when it is in tune
So the period of D string is 0.0034 seconds

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Why does the frequency of a siren get higher as an ambulance using that siren gets closer
Nadya [2.5K]
The frequency of a wave becomes higher due to the object moving at a fast pace coming towards you with shorter wavelengths  (depending on the speed) aka the Doppler Effect. 
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3 0
2 years ago
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Define the term antinode and explain how standing waves form.
Otrada [13]

Answer:

standing wave, also called stationary wave, combination of two waves moving in opposite directions, each having the same amplitude and frequency.

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Explanation:

6 0
3 years ago
Natural selection allows populations to (2 points)
Dahasolnce [82]
<span>
adapt to a changing environment

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3 0
3 years ago
Select the correct answer.
Triss [41]

Answer:

Jim's kinetic energy is 54.67 J.

Explanation:

Given that,

Mass, m = 15 kg

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E=\dfrac{1}{2}mv^2

E=\dfrac{1}{2}\times 15\ kg\times (2.7\ m/s)^2

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5 0
2 years ago
A student hooks up a voltmeter and an ammeter in a circuit to find the resistance of a light bulb. The ammeter read 3 amps and t
yuradex [85]

Answer:

2\Omega

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(Assuming the cell in the circuit has 0 internal resistance)

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R=\frac{V}{I}

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3 years ago
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