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natta225 [31]
4 years ago
7

___ energy has a slightly longer wavelength than visible light energy and can be felt to the touch

Physics
1 answer:
ladessa [460]4 years ago
3 0
Infra-red radiation has a slightly longer wavelength than red light ...
the longest wavelength that is visible to the human eye.

Although infrared can't be detected by the eye, we do have other
receptors that CAN detect it.  They are some of the nerve endings
in our skin.  When infrared radiation hits these, it produces the feeling
of warmth.  Infrared radiation carries heat energy.
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550 J of work must be done to compress a gas to half its initial volume at constant temperature. How much work must be done to c
Over [174]

Answer:

The amount of work that must be done to compress the gas 11 times less than its initial pressure is 909.091 J

Explanation:

The given variables are

Work done = 550 J

Volume change = V₂ - V₁ = -0.5V₁

Thus the product of pressure and volume change = work done by gas, thus

P × -0.5V₁ = 500 J

Hence -PV₁ = 1000 J

also P₁/V₁ = P₂/V₂ but V₂ = 0.5V₁ Therefore  P₁/V₁ = P₂/0.5V₁ or P₁ = 2P₂

Also to compress the gas by a factor of 11 we have

P (V₂ - V₁) = P×(V₁/11 -V₁) = P(11V₁ - V₁)/11 = P×-10V₁/11 = -PV₁×10/11 = 1000 J ×10/11  = 909.091 J of work

7 0
3 years ago
Defination of formula bar​
Gekata [30.6K]

The Formula Bar is where data or formulas you enter into a worksheet appear for the active cell. The Formula Bar can also be used to edit data or formula in the active cell. The active cell displays the results of its formula while we see the formula itself in the Formula Bar.

mark me brainliestt :))

7 0
3 years ago
Read 2 more answers
Name the process scientists use to gain knowledge about the physical world
saveliy_v [14]

The answer would be the Scientific Method.

7 0
3 years ago
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A metal block of mass 265 g rests at a point 2.4 m from the center of a horizontal rotating wooden platform. The coefficient of
FrozenT [24]

Answer:

The minimum angular velocity of the platform what whould the block slides away is w= 2.26 rad/s.

Explanation:

m= 0.265 kg

r= 2.4 m

μ= 0.257

g= 9.8 m/s²

W= m * g

W= 2.597 N

Fr= μ * W

Fr= 0.66 N

∑F = m * ac

W+Fr = m * ac

(W+ Fr) / m = ac

ac= 12.29 m/s²

ac= w² * r

√(ac/r)= w

w= 2.26 rad/s

3 0
4 years ago
What caused the solar system to form a disk?
mote1985 [20]
That is a really interesting questions but I did look it up and didn't understand anything they said
3 0
3 years ago
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