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polet [3.4K]
3 years ago
15

10 points and brailiest to correct answer plz

Physics
2 answers:
Svetach [21]3 years ago
6 0
Mars is the planet that's closest in size to Earth. 
Dennis_Churaev [7]3 years ago
5 0
Venus is the closest in size to earth
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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
what is the kinetic energy of an object that as a mass of 12 kilograms and moves with the velocity of 10 m/s
Galina-37 [17]

Answer:

120 m/s

Explanation: QUIZLET

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When you cut a board with a power saw as compared with a handsaw, how much work do you do with the power saw?
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Which statement corresponds to emission spectra?
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B
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Which of the following statement is not true about machines?
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The answer to this question is D or the last one 

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