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stiks02 [169]
3 years ago
12

Explain maximum and minimum thermometer working(answer only for points will be reported)​

Physics
1 answer:
belka [17]3 years ago
6 0

Explanation:

  • Six’s Maximum and Minimum thermometer is a U shaped parallel tube made up of glass. One side registers the maximum temperature and the other side records the minimum temperature.
  • The bend at the bottom of the thermometer contains mercury which moves up or down based on the expansion and contraction of alcohol.
  • When the temperature rises, the alcohol expands and pushes the mercury up the maximum column. This also pushes the mercury down in the minimum column.
  • Similarly, when the temperature falls, the alcohol contracts and pulls the mercury up in the minimum column resulting in a fall of mercury in the maximum column.
  • The steel indexes are located on the surface of mercury. They move along with the flow of mercury up and down.
  • When the temperature reaches its maximum and minimum limits, the metal indexes remain at that place. This helps in recording the maximum and minimum temperatures of the day.

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Chlorine exist in Nature as two Chlorine atoms covalently bonded together Why does this occur
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Answer:

It is one of the 7 diatomics

Explanation:

Br

I

N

Cl

H

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^ these are the 7 diatomic molecules. Atoms of these elements exist as a molecule consisting of two covalently bonded atoms of the same element.

Simply put, for these elements, the diatomic state of the atom is much more stable than the unbound one.

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3 years ago
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A proton, an alpha particle (a bare helium nucleus), and a singly ionized helium atom are accelerated through a potential differ
ra1l [238]

Answer:

The correct question is:

"Find the energy each gains"

The energy gained by a charged particle accelerated through a potential difference is given by

\Delta U = q\Delta V

where

q is the charge of the particle

\Delta V is the potential difference

For a proton,

q=+e=1.6\cdot 10^{-19}C

And since \Delta V=100 V

The energy gained by the proton is

\Delta U=(1.6\cdot 10^{-19})(100)=1.6\cdot 10^{-17}J

For an alpha particle,

q=+2e=3.2\cdot 10^{-19}C

Therefore, the energy gained is

\Delta U=(3.2\cdot 10^{-19})(100)=3.2\cdot 10^{-17}J

Finally, for a singly ionized helium nucleus (a helium nucleus that has lost one electron)

q=+e=1.6\cdot 10^{-19}C

So the energy gained is the same as the proton:

\Delta U=(1.6\cdot 10^{-19})(100)=1.6\cdot 10^{-17}J

6 0
3 years ago
Anna Litical is studying the periodic motion of a 1.04-m long pendulum in The Wiggles lab on Earth. What period can Anna expect
Andre45 [30]

Answer:

19.3 seconds

Explanation:

3 0
1 year ago
Title IX has been viewed as the basis for enacting a "quota system" within high school and collegiate athletics
lakkis [162]
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5 0
3 years ago
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You are playing right field for the baseball team. Your team is up by one run in the botton of the last inning of the game when
VARVARA [1.3K]

Answer:

The correct response is "No". The further explanation is given below.

Explanation:

The given values are:

Angle

\theta = 30^{\circ}

Distance

d = 20 m

Speed

s = 8.0 m/s

Now,

⇒  y(t) = \frac{1}{2}\times a\times t^2 + v0\times t\times (sin \theta)

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    0 = -4.9t^2 + 65\times \frac{sin30}{cos30}

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So,

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Therefore, 2.5 < 2.767, so it won't get there.

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3 years ago
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