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4 years ago

The air sealed between two panes of glass in some windows helps to _____.

Physics

2 answers:

Crank4 years ago

4 0

Answer:

Insulate

Explanation:

Air is a good insulator.

Insulators are the materials which do not allow the heat to pass through them. Some examples of insulators are plastic, rubber, styrofoam, air, etc.

Air is trapped between the two layers of glass. Here air works as an insulator and do not allow to pass the hotness or coldness through them, die to which the temperature inside the plane remains constant.

olga_2 [115]4 years ago

3 0

<span>The air sealed between two panes of glass in some windows helps to </span><span>insulate and helps it to keep the warmth or coolness inside.

Hope that helps!
-Chris</span>

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In one cycle, a freezer uses 800 J of electrical energy in order to remove 1735 J of heat from its freezer compartment at 10.0°F

Lubov Fominskaja [6]

Answer:

Explanation:

W = work done by the freezer = 800 J

Q = heat removed from the freezer = 1735 J

Q' = Heat expelled into the room

Coefficient of performance is given as

$\beta = \frac{Q}{W}$

inserting the values

$\beta = \frac{1735}{800}$

$\beta = 2.2$

Heat expelled is given as

Q' = W + Q

Q' = 800 + 1735

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3 years ago

At what pressure will the mean free path in room-temperature (20?c) nitrogen be 1.5 m ?

kondaur [170]

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$Mean \ free \ path \ = \frac{RT}{ \sqrt{2} \pi d^{2} N_{A}P }$

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$1.5 = \frac{(8.314)(293)}{ \sqrt{2} \pi (310 \ x\ 10^{-7} )^{2} (6.022 \ x\ 10^{23} )P }$
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3 years ago

Why does it take longer to boil a kettle of water than to warm the same kettle of water to a lower temperature?

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Answer:

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2 years ago

A string is wrapped several times around the rim of a small hoop with radius 8.00 cm and mass 0.180 kg. The free end of the stri

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Answer:

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(b). The speed of its center is 2.7 m/s.

Explanation:

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