Can you give me an example of how sound passes through a solid?please help

2 answers:

5 0

When a layer of cold air close to the ground is covered by a layer of warmer air, sound waves traveling upward may be bent, or refracted, by the difference in temperature and redirected toward the ground.

alexira [117]2 years ago

3 0

Answer:

sound travels through steel about 15 times faster than through air.

Explanation:

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A plane comes in for a landing at a velocity of 80 meters per second west. As it touches down, it decelerates at a constant rate

azamat

Answer:

Answer D : about 1067 meters

Explanation:

There are two steps to this problem:

1) First find the time it takes the plane to stop using the equation for the acceleration:

$a=\frac{Vf-Vi}{t}$

Where Vf is the final velocity of the plane (in our case: zero )

Vi is the initial velocity of the plane (in our case: 80 m/s)

$a$ is the acceleration (in our case -3 m/s^2 - notice negative value because the velocity is decreasing)

$a=\frac{Vf-Vi}{t}\\-3=\frac{0-80}{t}\\t=\frac{-80}{-3} = \frac{80}{3}$

with units corresponding to seconds given the quantities involved in the calculation.

2) Second knowing the time it took the plane to stop, now use that time in the equation for the distance traveled under accelerated motion:

$Xf-Xi=Vi*t+\frac{1}{2} a t^{2} \\Xf-Xi= 80 (\frac{80}{3}) +\frac{1}{2} (-3) (\frac{80}{3}) ^{2}=1066.666666...$

Where the answer results in units of meters given the quantities used in the calculation.

We round this to 1067 meters

7 0

3 years ago

what are the variables in an experiment that tests the distance honey flows at different temperatures? identify the independent

soldier1979 [14.2K]

Answer:

The distance that the honey flowed would be the dependent or outcome variable and the temperature of the honey would be the independent variable.

The dependent variable is what is being measured in an experiment. You can remember it by thinking “it depends on what you’re changing.”

The independent variable in an experiment is what is being changed. You can remember this by thinking “the Independent variable is what I as the scientist change.”

Explanation:

mark me brainliest plz

6 0

3 years ago

Read 2 more answers

Select the correct answer.

spin [16.1K]

Answer:

There isnt enough in your question to answer the question bro, like we need a picture or something bro.

Explanation:

7 0

3 years ago