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mario62 [17]
3 years ago
7

What type of System interact with its environment ​

Physics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0

Answer:

System management

Explanation:

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If the volume on your TV is low, turning the volume up one click of the remote control will make the TV seem louder than if the
marusya05 [52]

From what we know, we can confirm that this ratio (turning up the volume by one click relative to the TV's overall volume) can be quantified as the Weber fraction.

<h3>What is the Weber fraction?</h3>

This fraction describes the ratio needed for change to a stimulus in which the change is just barely noticeable. This question is a prime example in that it seeks to find out just how low of a difference is needed in TV volume in order for the difference to be noticeable.

Therefore, we can confirm that this ratio (turning up the volume by one click relative to the TV's overall volume) can be quantified as the Weber fraction.

To learn more about Weber visit:

brainly.com/question/5004433?referrer=searchResults

7 0
2 years ago
Consider a solenoid of length L, N windings, and radius b (L is much longer than b A current I). is flowing through the wire. If
wolverine [178]

Answer:

The magnetic field inside the solenoid would decrease by a factor of 2.

Explanation:

The magnetic field, B, of a solenoid of length L, N windings, and radius b with a current, I, flowing through it is given as:

B = (N * r * I) / L

If the length of the solenoid is doubled, 2L,the magnetic field becomes:

B2 = (N * r * I) / 2L

B2 = ½ B

The magnetic field will decrease by a factor of 2.

5 0
3 years ago
An engine absorbs 2150 J as heat from a hot reservoir and gives off 750 J as heat to a cold reservoir during each cycle. What is
tia_tia [17]

Answer:

65.2 %

Explanation:

Let Q1 = Heat absorbed by the system

Q2 = Heat released by the system

e= (1 - (Q2/Q1)) x 100

e= (1 - (750/2150)) x 100

e= (1 - 0.348) x 100

e= 0.652 x 100

e= 65.2 %

6 0
3 years ago
¿Una corriente eléctrica sin resistencia puede fluir constantemente sin fuente alguna de potencia? Explique.
frosja888 [35]

Answer:

No.

Explicación:

No, una corriente eléctrica sin resistencia no puede fluir constantemente sin ninguna fuente de energía porque la fuente de energía proporciona electrones para el flujo continuo de corriente en el circuito. Si fluye corriente por el cable, debe haber resistencia en el circuito. La fuente de energía proporciona corriente eléctrica continua al cable para que fluya y el cable tiene resistencia, por lo que parte de la corriente eléctrica se pierde durante su flujo debido a esta resistencia. Entonces podemos decir que la fuente de energía es necesaria para el flujo constante de corriente eléctrica.

4 0
3 years ago
From laboratory measurements, we know that a particular spectral line formed by hydrogen appears at a wavelength of 121.6 nanome
gladu [14]

Answer:

v=-4.93\times 10^{5}~m/s [negative sign denotes that it is moving away]

Explanation:

Actual wavelength of hydrogen spectral lines, \lambda=121.6~nm

Apparent wavelength of hydrogen spectral lines from a star, \lambda'=121.8~nm

<u>So, shift in wavelength</u>:

\Delta \lambda=\lambda'-\lambda

\Delta \lambda=121.8-121.6

\Delta \lambda=0.2~nm

Using Doppler's shift:

\frac{\Delta \lambda}{\lambda} =-\frac{v}{c}

\frac{0.2}{121.6} =-\frac{v}{3\times 10^8}

v=-4.93\times 10^{5}~m/s [negative sign denotes that it is moving away]

8 0
3 years ago
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