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Annette [7]
3 years ago
7

Which of the following statements is accurate? A. Sound waves passing through the air will do so as transverse waves, which vibr

ate vertically and still retain their horizontal positions. B. Compressions and rarefactions occur throughout a transverse wave. C. Amplitude of longitudinal waves is measured at right angles to the direction of the travel of the wave and represents the maximum distance the molecule has moved from its normal position. D. The wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.
Physics
2 answers:
egoroff_w [7]3 years ago
7 0

The answer is, C. the wavelength is measured in parallel to the direction of the wave, at any point, under the same repetition for any type of wave.

Kamila [148]3 years ago
3 0

Answer:

C. Amplitude of longitudinal waves is measured at right angles to the direction of the travel of the wave and represents the maximum distance the molecule has moved from its normal position.

Explanation:

This is the correct answer.

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Elsa runs 100m. She takes 20s to run this distance. What is Elsa's average speed?
Ne4ueva [31]

Answer:

Average speed = 5 m/s

Explanation:

Given the following data;

Distance = 100m

Time = 20 secs

To find the average speed;

Speed = distance/time

Substituting into the formula, we have;

Speed = 100/20

Speed = 5m/s

Therefore, Elsa's average speed is 5 meters per seconds.

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2 years ago
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3 years ago
Calculate: A model airplane has a mass of 3.2 kg. Its propeller pulls it forward with a force of 7.0 N. What is the airplane’s a
vitfil [10]
The airplanes acceleration is 2.1875
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3 years ago
An object hangs from a spring in a stable (equilibrium) position. The spring is pulled 3 feet downward and the object begins to
mote1985 [20]

The equation of the motion of this object is  \mathbf{y = 3 cos \Big [ \dfrac{ \pi}{2}(t -2) \Big ] }

<h3>What is oscillation?</h3>

An oscillation in a waveform is a periodic set of vibrations an object in the medium produces.

From  the parameters given:

  • The spring is pulled 3 feet down ward from the origin(equilibrium position) = -3
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The angular velocity can be computed by using the formula:

\mathbf{\omega = \dfrac{2 \pi}{T}}

\mathbf{\omega = \dfrac{2 \pi}{4.0}}

The amplitude A from the oscillation is:

\mathbf{\Big|A \Big| = \Big|\dfrac{3 - (-3)}{2} \Big| = 3}

It implies that the vertical shift (D) is:

\mathbf{\dfrac{minimum + maximum}{2} = \dfrac{3+(-3)}{2} = 0}

However, by using the formula of the general form of a sinusoidal equation, we have:

\mathbf{y = A cos \Big [ \dfrac{2 \pi}{4}(t -2) \Big ] + 0}

\mathbf{y = 3 cos \Big [ \dfrac{ \pi}{2}(t -2) \Big ] }

Learn more about oscillation in waveform here:

brainly.com/question/15701473

5 0
2 years ago
A probe orbiting Venus exerts a gravitational force of 2.58 × 103 N on Venus. Venus has a mass of 4.87 × 1024 kg. The mass of th
Westkost [7]
<h3>The correct answer is:</h3><h2>9.08 x 10⁶ meters.</h2><h2 /><h3>Explanation:</h3>

Fg = 2.58 x 10³ N


Mv = 4.87 x 10²⁴ Kg


Md = 655 Kg


So, Fg = G Mv Mp / r²


By putting in the values,


r² = 8.2466 x 10¹³


<h2>r = 9.08 x 10⁶ meters.</h2>
3 0
3 years ago
Read 2 more answers
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