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4 years ago

High pitched sounds have relatively large _ and small _

Physics

1 answer:

Mashutka [201]4 years ago

8 0

High Pitch sounds have relativity large frequency and small wavelength

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A hose directs a horizontal jet of water, moving with a velocity of 20m/s, on to a vertical wall. The

just olya [345]

Force is defined as the rate of change of momentum.
The initial amount of momentum is $mv$ because water stops when it hit the wall total change of momentum must be $\Delta p=mv$ .
Now let's calculate the force.
$F= \frac{dp}{dt}=\frac{d(mv)}{dt}=\frac{dm}{dt}v$
We need to find $\frac{dm}{dt}$ . This is the amount of water hiting the wall per second.
$\frac{dm}{dt}=\rho Av$
Our final formula would be:
$F=\rho Avv=\rho Av^2$
And now we can calculate the answer:
$F=1000\cdot5\cdot 10^{-4}\cdot(20)^2=200 N$

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3 years ago

The speed of a star, can you measure it? Is it constant?

natka813 [3]

Explanation:

the spped of that we can't measure with own that measure a machine is called

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3 years ago

Verify the following equations:3² ×3³=243

e-lub [12.9K]

The equations are $3^2\times \:3^3=243$

What is the formula used to calculate the equation?

To solve the equation using the formula of $x^{2} * x^{3}$

Find the equation by using formula.

On comparing with $3^2\times \:3^3=243$

We get, $=(3*3)(3*3*3)$

$=9*27$

Hence the equation is $=243$

To learn more about information's, refer:

brainly.com/question/28440534

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2 years ago

The table below shows the average wind speeds of four hurricanes in Florida

lara31 [8.8K]

Hurricane A. This is because the wind speed of this hurricane is greater than the other hurricanes. The more wind there is in a hurricane the more land and home destruction it’s likely to cause. Hope this helps. :)

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3 years ago

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Pls help 100 points plssssssss

natima [27]

Answer:

Explanation:

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2 years ago

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High pitched sounds have relatively large ___ and small ___

High pitched sounds have relatively large _ and small _