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Dafna1 [17]
3 years ago
9

Please help me

Physics
1 answer:
bonufazy [111]3 years ago
7 0

Переходи на сайте irkmix.top и получай много эмоций из Russia/

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21. An AC generator has an rms output voltage of 274 V at a frequency of 57.0 Hz.
maks197457 [2]

The answers are as follows;

a) the inductive reactance is 322 ohm

b) The maximum voltage is 387.5 V

c) The rms and maximum currents in the inductor are 1.2 A and 0.85 A.

<h3>What is the reactance?</h3>

The reactance is obtained from;

XL = 2πfL

XL = 2 * 3.14 * 57.0 * 0.900

XL = 322 ohm

The maximum voltage is obtained as;

Vo = Vrms * √2

Vo =  274 V * √2

Vo = 387.5 V

Io = Vo/XL

Io =  387.5 V/ 322 ohm

Io = 1.2 A

Irms = 274 V/322 ohm

Irms = 0.85 A

Learn more about inductive reactance:brainly.com/question/17129912

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2 years ago
A mystery element has three isotopes of the following masses and percent abundances: 93.597 amu at 23.63 % abundance, 96.191 amu
iogann1982 [59]

Answer:

92.397amu

Explanation: The exact amu of the mystery element is obtained by multiplying the relative abundance of each individual isotope by  its respective amu and then summing the results.

The sum of the total relative abundance for all the isotopes should be 100%.

However, the relative abundance of the isotope with 95.502amu is not given; therefore to obtain it we subtract the sum of the known relative abundances from 100% as follows:

Relative abundance of isotope with 95.502amu = 100-(23.63+30.53) = 42.84%

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4 years ago
1- an example on a body that it is in motion to an observer and at rest to another.
vesna_86 [32]

Answer:

#1

Explanation:

On a train you are sitting so not in motion but to someone outside the train you are in motion with the train

6 0
3 years ago
Is my answer correct?,
xz_007 [3.2K]

sometimes you just gotta take some risks in life. go with that answer

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erastova [34]

Explanation:

One problem with opting for number 1 in the above dilemma is that it becomes difficult if not impossible to conceive of God as morally good, because if the standards of moral goodness are set by God's commands, then the claim “God is morally good” is equivalent to “God obeys His own commands”.

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