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musickatia [10]
3 years ago
7

What are the two views about human nature?

Social Studies
2 answers:
borishaifa [10]3 years ago
6 0

Answer:

the objective and subjective views

Explanation:

Objective - seeing work as a source of economic means

subjective - effects of work on an individual

blsea [12.9K]3 years ago
4 0

Answer:

1. people who think its supposed to be used up for them and their benefit

2. people who respect and mindfully reap what nature has to offer

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Verizon [17]

No, they sadly do not. They are not epic.

4 0
3 years ago
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Consider that the capacitor is initially not charged and the voltage of the battery is 3.00 V. The switch is closed at ????????
EastWind [94]
  • Your question has some difficulties in symbols and variables to read. That's why I am re-writing (re-arranged) the Question's statement again which is:

Question:

For the R-C circuit shown in figure 1 on page 3, R= 100 ohms and C=1.00F.

A)What is the time constant of the R-C circuit?

B) consider that the capacitor is initially not charged and the voltage of the battery is 3.00 V. The switch is closed at t=0. Using the appropriate formulas, write down the voltage Vc(t) on the capacitor and the current I(t) in the circuit.  

C) consider that the capacitor is initially fully charged to 3.00 V. The switch is open at t=0. Using the appropriate formulas, write down the voltage Vc(t) on the capacitor and current I(t) in the circuit.

  • Your Question is missing the figure as well, which is attached below, please find it in the attached file.

Answer:

Part.A

100 seconds

Part.B

Vc(t)=0V

I(t)=30mA

Part.C

Vc(t)=3.0V

I(t)=0A

Explanation:

<u>Given Data:</u>

Resistance=R=100 ohms

Capacitance=C=100F

<u>Part.A: Time constant=T=?</u>

<u>Time constant:</u>

Time required to charge the capacitor upto 63.23% of the applied voltage is called a Time constant.

As we know that time constant for the RC (circuit having only resistor and capacitor) is equal to product of resistance and capacitance

T=R*C

so T=100*1

T=100seconds

<u>Part.B: Vc(t) and I(t)=? If switch is closed</u>

<u>Given Data:</u>

Voltage of the battery=Vs=3.0V

Capacitor is not charged initially and switch is closed at t=0 means that the circuit will become short (because capacitor is charging) in which current I(t) exist and voltage Vc(t) is zero.

<u>Short circuit: </u>

The circuit in which current is maximum and voltage is zero.

Thus voltage on the capacitor is Vc(t)=0V

Now we can find I(t) as follow:

Thus, Applying Kirchoff's Law (sum of all voltages is zero) on the circuit in the figure attached below, we get

V_{s}-V_{R}-V_{c}(t) =0

putting values, we get

3.0-I(t)*R-0=0

I(t)*100=3

I(t)=\frac{3}{100}

Current in the circuit is I(t)=0.03A\ OR\ 30mA

<u>Part.c: Vc(t) and I(t)=? if switch is opened</u>

If switch is opened and capacitor is fully charged then the capacitor will act as a battery and will supply will voltage as it has stored the charge. The switch is open it means the circuit is open.

So current I(t) in the circuit is zero=0A

and voltage Vc(t) exist which can be found as:

Applying Kirchoff's law, we get

V_{s} -V_{c}(t)=0 \\V_{R}\ does\ not\ exist\ because\ current\ in\ the\ circuit\ or\ through\ resistor\ is\ zero

V_{s}=V_{c}(t)

<u>thus voltage on the capacitor is </u>V_{c}(t)=3.0V

6 0
3 years ago
Beth is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: Bec
aniked [119]

<u>Answer: </u>

The basic principle of individual choice that Beth's plan illustrates and her husband's does not is that of marginal analysis.

<u>Explanation: </u>

  • Though Beth is planning to divide her time between the activities in a partial manner, she has still kept time for the other activities that are going to be the part of the triathlon. Thus, Beth can be said to have done a marginal analysis of the activities and the cost that they would bear as far as time is concerned.
  • The advice given by Beth's husband does not leave room for marginal analysis as he wishes that she dedicates all her time for swimming alone.
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3 years ago
President Kennedy most contributed to the civil rights movement by what?
Nikolay [14]
Appointing african americans to government positions
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3 years ago
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HELP
qaws [65]

Answer:

trade was the basic method of securing goods

Explanation:

just because

8 0
3 years ago
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