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Aleks [24]
3 years ago
6

Which correctly ranks, from fastest to slowest, the time it will take one wavelength to pass a certain point?

Physics
2 answers:
Andreyy893 years ago
7 0

Yulia observed a sound wave moving through a solid medium at four different temperatures, and she recorded observations about each one in the chart.

Which correctly ranks, from fastest to slowest, the time it will take one wavelength to pass a certain point?

Wave X → Wave Y → Wave W → Wave Z

Wave Z → Wave W → Wave Y → Wave X

Wave X → Wave W → Wave Y → Wave Z

Wave Z → Wave Y → Wave W → Wave X

dsp733 years ago
3 0
No option to choose from? I'd say history graph
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A car traveling with constant speed travels 150 km in 7200 s what is speed of the car
spayn [35]

The speed of the car is exactly 150/7200 km/sec, or 125/6 meters/sec. 

In more familiar units, that speed is equivalent to ...

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-- 75 km/hour

8 0
3 years ago
Sandy is whirling a ball attached to a string in a horizontal circle over his head. If Sandy doubles the speed of the ball, what
jeka57 [31]

The tension in the string B) It quadruples.

Explanation:

The ball is in uniform circular motion in a horizontal circle, so the tension in the string is providing the centripetal force that keeps the ball in circular motion. So we can write:

T= m\frac{v^2}{r}

where:

T is the tension in the string

m is the mass of the ball

v is the speed of the ball

r is the radius of the circle (the lenght of the string)

In this problem, we are told that the speed of the ball is doubled, so

v' = 2v

Substituting into the previous equation, we find the new tension in the string:

T' = m \frac{(2v)^2}{r}=4(m\frac{v^2}{r})=4T

Therefore, the tension in the string will quadruple.

Learn more about circular motion:

brainly.com/question/2562955

brainly.com/question/6372960

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6 0
3 years ago
Explain what is happening when roller coaster is at each point. **The roller coaster has started at A and goes to D.
yaroslaw [1]

Answer:

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3 0
2 years ago
A machinist turns the power on to a grinding wheel, at rest at tome t=0 s. the wheel accelerates uniformly for 10 s and reaches
Assoli18 [71]
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3 years ago
As a gas or liquid increases in heat, what direction will it naturally move?
miss Akunina [59]

Hello!

Answer:

When a gas gets hot it should go up because of the pressure.

Explanation:

Hope this helps!

3 0
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