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1 year ago

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Ite

1 answer:

soldier1979 [14.2K]1 year ago

4 0

For the sound wave passing through regions of the ocean with varying density, longer wavelengths correspond to greater density of the water.

<h3>What is effect of density of a medium on wavelength of a wave?</h3>

The density of a medium is directly proportional to the wavelength of a wave.

The higher the density of the medium, the longer the wavelength of a wave.

Therefore, for a sound wave passing through regions of the ocean with varying density, longer wavelengths correspond to greater density of the water.

Learn more about density and wavelength at: brainly.com/question/9486264

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Please help me and show work, will mark Brainliest!!

Licemer1 [7]

Speed is distance over time, learn that formula and look at the image

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2 years ago

An automobile to be transported by ship is raised 8.2m above the dock. If it's GPE is 63,405 J what is the car's mass?

Pepsi [2]

Answer:

m = 788.2[kg]

Explanation:

The potential energy of a body is defined as the product of mass by gravitational acceleration by height. And it can be calculated by means of the following equation.

$E_{pot}=m*g*h$

where:

Epot = potential energy = 63405 [J]

m = mass [kg]

g = gravity acceleration = 9.81[m/s²]

h = elevation = 8.2[m]

Now replacing:

$63405=m*9.81*8.2\\m=788.2[kg]$

5 0

2 years ago

What is the average speed of a bowling ball that travels a distance of 5.0 m in 2.58 seconds?

Gre4nikov [31]

Answer:

<em><u>1</u></em><em><u>.</u></em><em><u>9</u></em><em><u>4</u></em><em><u> </u></em><em><u>m</u></em><em><u>/</u></em><em><u>s</u></em><em><u> </u></em><em><u>(</u></em><em><u>2</u></em><em><u>d</u></em><em><u>p</u></em><em><u>)</u></em>

Explanation:

Speed= Distance/Time

5.0/2.58 = 1.937984496

= <em><u>1.94</u></em> m/s (<em><u>2dp</u></em>)

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3 years ago

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2 years ago

A wire with a circular cross section has radius 0.16 mm and is lying along the x axis from x=0 to x=0.20 m. The wire is made of

kipiarov [429]

Answer:

Resistance = 68.23 Ω

Explanation:

Let's start off by remembering the fact that when resistors are connected in series, their resistances is added up to find the total resistance.

The equation for resistance using resistivity is given below:

Resistance = Resistivity * Length / Area

where Length = x

Resistivity = 3x^5

and Area = $\pi *0.00016^2$ = 8.04 * 10^(-8) meter squared

Substituting in the value of resistivity, length and area we get:

Resistance = $\frac{ (3x^5) * (x) }{(8.04*10^-^8)}$

Resistance = $\frac{ (3x^6) }{(8.04*10^-^8)}$

Since resistance in series is added, we can simply integrate this formula over the length (x = 0 to x = 0.2) to get the total resistance.

Resistance = $\int\ {\frac{ (3x^6) }{(8.04*10^-^8)}} \, dx$

Resistance = $(5.4857*10^-^6) /(8.04*10^-^8)$

Resistance = 68.23 Ω

3 0

3 years ago

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