10. Which of the following statements is accurate?A. Sound waves passing through the air will do so as transverse waves, which vibrate vertically and still retain their horizontal
positions.
B. Compressions and rarefactions occur throughout a transverse wave.
C. The wavelength of both traverse and longitudinal waves is measured parallel to the direction of the travel of the wave.
D. 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.

Answers

Answer 1

Answer:

Before coming into conclusion first we have to understand the nature of longitudinal wave and transverse wave.

The longitudinal wave is a type of mechanical wave in which the direction of wave propagation is parallel to the particle vibration.In such type of wave one will notice compressions and rarefactions.

Compressions are the high pressure zones where the particles are very close to each other and rarefactions are the low pressure regions where there is large separation between particles. Hence a longitudinal wave is a series of compresions and rarefactions.

The wavelength of a longitudinal wave is the distance between two successive compressions or rarefactions. Hence the wavelength is measured parallel to the direction of wave. As the particle vibration is parallel to wave propagation ,so the amplitude of the wave is measured parallel to wave direction.

Transverse wave is such type of mechanical wave in which the particle vibration is perpendicular to wave propagation.Here crests and troughs are formed.

The distance between two successive crests or troughs are called wavelength which is measured parallel to the wave propagation. As the particle vibration is perpendicular to wave propagation,so the amplitude of the wave is measured perpendicular to the wave propagation.It is so because amplitude of the wave is the maximum distance travelled by the particle from equilibrium position.

Out of the four options given in the question only the option 3 is correct .Other options are wrong as violate the nature of longitudinal and transverse waves.

Answer 2

Answer:

Answer:

C. The wavelength of both traverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

Explanation:

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Which of these qualities most likely helped Ptolemy construct the scientific explanation of the solar system? originality and creativity
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Answers

Scientific models or explanations are a way of interpreting and analyzing huge amounts of data. Scientists must be able to find patterns in this data, and this requires originality and creativity (this is the correct answer), as they need to look at the data through different metaphorical lenses.

Answer:

originality and creativity

Explanation:

When you whisper, you produce a 10-dB sound.a. When you speak quietly, your voice sounds twice as loud as a whisper. How many decibels is this?
b. When you speak normally, your voice sounds 4 times as loud as a whisper. How many decibels is this?
c. When you yell, your voice sounds 8 times as loud as a whisper. How many decibels is this?

Answers

All you would do is for a, 10 times 2 is 20 so it would be 20-dB
For b, 10 times 4 is 40 so it would be 40-dB
For c, 10 times 8 is 80 so it would be 80-dB

What is the resultant of a and B if a= -2i - 5j and B = I - 4j

Answers

a= -2i - 5j
B = I - 4j

a + B = -2i -5j + 1i - 4j

a + B = -1i - 9j

A(n) _____ is the smallest complete part of a compound.A. ion
B. atom
C. element
D. molecule

Answers

The answer to this is: a molecule

A molecule is the smallest complete part of a compound. I think the answer is D. Molecule

In the water cycle what state of matter is rain

Answers

Liquid is the answer

liquid, the states of matter are solid, liquid and gas

A car of mass 1330 kg is traveling at 28 m/s. The driver applies the brakes to bring the car to rest over a distance of 79 m. Calculate the force acting on the car.

Answers

you could use SUVAT to work out the deceleration and then use F=ma

S= 79m U=28m/s V=0m/s A=? T=n/a

V^2 = U^2 + 2AS so 0 = 28^2 + 158A so -158A = 784

A= 4.962 (3dp)

so F = ma = 4.962 *1330 = 6599.494N (3dp)

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Which explains why a gas does not have a fixed shape?The particles have very high speeds. The particles are not compressible. The particles are charged. The particles vibrate.

The ____ law of thermodynamics states that a quantity of energy can't be completely transferred from one form into another

A car accelerates uniformly from +10.0 m/s to +40.0 m/s over a distance of 125 m. How long did it take to go that distance? Show all your work, including the equation used, given and unknown quantities, and any algebra required. Make sure your answer has the correct number of significant figures.