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S_A_V [24]
3 years ago
7

Help what is the answer pls

Physics
1 answer:
Vladimir [108]3 years ago
7 0
I think the answer should be: “100.4957 N”
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A sinusoidal wave travels along a string. The time for a particular point to move from maximum displacement to zero is 0.13 s. W
vitfil [10]

Answer:

Part a)

T = 0.52 s

Part b)

f = 1.92 Hz

Part c)

speed = 3.65 m/s

Explanation:

As we know that the particle move from its maximum displacement to its mean position in t = 0.13 s

so total time period of the particle is given as

T = 4\times 0.13 = 0.52 s

now we have

Part a)

T = time to complete one oscillation

so here it will move to and fro for one complete oscillation

so T = 0.52 s

Part b)

As we know that frequency and time period related to each other as

f = \frac{1}{T}

f = \frac{1}{0.52}

f = 1.92 Hz

Part c)

As we know that

wavelength = 1.9 m

frequency = 1.92 Hz

so wave speed is given as

speed = wavelength \times frequency

speed = 1.92 \times 1.9

speed = 3.65 m/s

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3 years ago
If the ratio between the frequency of a man's voice and that of a girl's voice is 3/4, what
shepuryov [24]

Answer:

it is 34

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Explanation:

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A particle in uniform circular motion requires a net force acting in what direction?
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