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adelina 88 [10]
3 years ago
12

Which has high frequency? i never figure this out

Physics
1 answer:
sashaice [31]3 years ago
4 0

Answer: D

Explanation:

It would be answer D, youre correct. Frequency is how many "cycles" or "things" per second. The reason D looks so different is because the amplitude is not the same.

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stealth61 [152]

Answer:

the heavier skater has less momentum

hope it is helpful to you

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3 years ago
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Help! <br><br><br>I'm not sure my answer is correct.<br><br><br>Problem is attached!​
kaheart [24]
  • Let G be xN

\\ \sf\longmapsto x-20=30

\\ \sf\longmapsto x=30+20

\\ \sf\longmapsto x=50N

Option B

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2 years ago
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Prove dimensionally that: PV=RT
Oduvanchick [21]

Ideal Gas Law PV = nRT

THE GASEOUS STATE
Pressure  atm
Volume  liters
n  moles
R  L atm mol^-1 K^-1
Temperature  Kelvin


pv = rt

divide both sides by v
pv/v = rt/v

p = rt/v

answer: p = rt/v




Ideal Gas Law: Density

PV = NRT
PV = mass/(mw)RT

mass/V = P (MW)/RT = density



Molar Mass:
Ideal Gas Law PV = NRT
PV = mass/(MW) RT
MW = mass * RT/PV


Measures of Gases:
Daltons Law of Partial Pressures; is the total pressure of a mixture of gases equals the sum of the partial pressures of the individual gases.

Total = P_ A + P_ B

P_ A V = n_ A RT

P_ B V = n_ B R T



Partial Pressures in Gas Mixtures:
P_ total = P_ A + P_ B
P_ A = n_ A RT/V P_ B = n_ B RTV

P_ total = P_ A + P_ B = n_ total RT/V




For Ideal Gasses:


P_ A = n_ A RT/V P_ total = n_ toatal RT/V



P_ A/P_ total = n_ A RTV/n_ total RTV


= n_ A/n_ total = X_ A





Therefore, P_ A = X_ A P_ total.



PV = nRT


P pressure

V volume


n Number of moles


R Gas Constant


T temperture (Kelvin.).







Hope that helps!!!!!! Have a great day : )

4 0
3 years ago
Which of the following is in correct chronological order?
tankabanditka [31]

Answer:

Hey there

I will give you the correct answer based on Wikipedia timelines.

You are correct (Copernicus, Brahe, Kepler, Newton)

Nicolaus Copernicus: 19 February 1473 – 24 May 1543.

Tyco Brahe: 14 December 1546 – 24 October 1601.

Johannes Kepler: 27 December 1571 – 15 November 1630.

I

Issac Newton: 4 January 1643 – 31 March 1727.

Brainly is GREATLY appreciated. it took me 30 minutes to get all the timelines!!!

4 0
3 years ago
You are driving on a two-lane road and are being followed by a car that wants to pass you. you should
Aloiza [94]

Answer: Option (b) is the correct answer.

Explanation:

On a two-lane road and being followed by a car that wants to pass your car then you should drive on the paved right shoulder of the road, in order to give enough space to the car to pass besides your car.

Therefore, this will avoid any chances of accident and avoid the need to change the lane.

Thus, we can conclude that you are driving on a two-lane road and are being followed by a car that wants to pass you then you should drive on the paved right shoulder of the road, so they can pass you without changing lanes.



3 0
3 years ago
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