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3 years ago

How does sound travel? How does the medium that sound travels through help

Physics

2 answers:

melisa1 [442]3 years ago

8 0

Answer:

<u>Sound waves traveling through any medium:</u>

The sound wave requires medium to travel through them, as it is the basic characteristic of a mechanical wave that it requires some particles or medium in order to propagate through a medium.

Explanation:

Sound waves, travels with the basic characteristic of a longitudinal wave which means that the particles of the medium moves in parallel direction to the movement of the wave propagation.As the transfer of energy occurs in the form of longitudinal way.

Along, with that if the medium's particles or molecules are more close to each other the sound waves will be able to move fast, but it depends upon the capacity of the receiver to hear or receive the generated sound wave inside a medium.
But, we have the simple mathematical equation to solve a problem which is,c(the velocity of the sound)= Distance traveled by the sound wave/ the time taken between the final and initial point.

Sati [7]3 years ago

6 0

Answer:

The speed of sound depends on the medium the sound is travelling in. Sound travels faster in solids than in liquids, and faster in liquids than in gases. This is because the density of solids is higher than that of liquids which means that the particles are closer together. Sound waves are pressure waves.

Explanation:

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2 years ago

A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 206-g cube of

spayn [35]

Answer:

Mass of the aluminium chunk = 278.51 g

Explanation:

For an isolated system as given the energy lost and gains in the system will be zero therefore sum of all transfer of energy will be zero,as the temperature will also remain same

A specific heat formula is given as

Energy Change = Mass of liquid x Specific Heat Capacity x Change in temperature

Q = m×c×ΔT

Heat gain by aluminium + heat lost by copper = 0 (1)

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Q = $m\times0.897\frac{J}{g.k}\times(25-5)$

Q = m x 17.94 joule

For Copper:

$Q= 206g\times0.385\frac{J}{g.k} \times(88-25)$

Q= 4996.53 Joule

from eq 1

m x 17.94 = 4996.53

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3 years ago