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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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An object is travelling in a straight line. The diagram is the speed-time graph for
hodyreva [135]

Answer:

A

Explanation:

The object was accelerating uniformuly at point A

6 0
3 years ago
A sculpture is suspended in equilibrium by two cables, one from a wall and the other
aleksandrvk [35]

Answer:

T_1=6655.295917 \approx 6655.3N

Explanation:

From the question we are told that

Angle of cable 2 \theta=37.0\textdegree

Weight of sculpture W=5000 N

Generally the Tension from cable 2 T_2 is mathematically given by

   T_2sin37\textdegree=5000N

   T_2=5000N/sin37\textdegree

   T_2=8308.2N

Generally the Tension from Cable 1 T_1 is mathematically given by

   T_1=T_2 cos37\textdegree

   T_1=8308.2* cos 37\textdegree

   T_1=6655.295917 \approx 6655.3N

7 0
4 years ago
Which property of light is a constant in a vacuum?
faust18 [17]

Answer:

La velocidad de la luz en el vacío es una constante universal con el valor de 299 792 458 m/s (186 282,397 mi/s),​​aunque suele aproximarse a 3·108 m/s. Se simboliza con la letra c, proveniente del latín celéritās (en español, celeridad o rapidez).

¿Cuál es la consecuencia que a velocidad de la luz sea constante?

Respuesta. En modificaciones del vacío más sutiles, como espacios curvos, efecto Casimir, poblaciones térmicas o presencia de campos externos, la velocidad de la luz depende de la densidad de energía de ese vacío.

5 0
3 years ago
The answers!!! Q53 to 56
nexus9112 [7]

Answer:

See the explanation below.

Explanation:

53) Yes, this process is called latent heat transfer, it happens when heat is transferred to a body or a substance, an increase in its energy is observed without presenting an increase in temperature. An example of this can be seen in the evaporation of water.

54) It absorbs energy since heat transfer always occurs from a space of higher temperature to another with lower temperature so as the wax freezes the heat is transferred from the environment to the wax.

55) The water vapor and wet air will be absorbed by the canvas, the heat contained in this water vapor will be absorbed by the canvas in this way decreases the temperature of the water inside the canteen.

56) The process is vaporization. The refrigerant of the air conditioning equipment enters the coil, in the form of liquid, this liquid is at low temperature, so that the room air at a higher temperature, exchanges heat with the refrigerant liquid, the refrigerant liquid changes the phase of liquid to vapor, for when it is completely vaporized this can be sucked by the compressor equipment.

3 0
3 years ago
How much force is required to pull a spring 3.0 cm from its equilibrium position if the spring constant is 20 N/m?
natta225 [31]
  • Distance=3cm=0.03m
  • Spring constant=k=20N/m
  • Force=F

\\ \rm\rightarrowtail F=-kx

\\ \rm\rightarrowtail F=-20(0.03)

\\ \rm\rightarrowtail F=-0.6N

6 0
2 years ago
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