# 8thWonder

### If the U.S. government conducts contractionary fiscal policy at the same time the Fed conducts expansionary monetary policy...?

If the U.S. government conducts contractionary fiscal policy at the same time the Fed conducts expansionary monetary policy, what will be the most likely effects?

A. An increase in interest rates and a decrease in unemployment

B. A decrease in interest rates and an indeterminate change in outputf

C. An increase in the price level and a decrease in interest rates

D. An increase in the value of the dollar in foreign exchange markets and an increase in U.S. imports

E. An increase in interest rates, an increase in the value of the dollar, and an indeterminate change in unemployment

1 AnswerEconomics6 years ago### Economics Question, really stumped!?

Assume an economy with lump sum taxes and no international trade. If there is full employment and a marginal propensity to consume of 0.8, what will be the effect of an $800 increase in autonomous expenditures?

A. An increase of less than $4,000 in real output

B. An increase in real output of $4,000

C. An increase in real output of at least $4,000

D. An increase in the price level and in increase in output of approximately $4,000

E. The answer depends critically on whether the economy is in the Keynesian region of the aggregate supply curve, and the answer cannot be predicted without knowing this.

I have absolutely no idea how to answer this question. Any help is appreciated, thanks!

2 AnswersEconomics6 years ago### Legal Question: Getting back something you loaned to a friend?

So here's the thing, I know that when you give a gift to someone, you can't legally get it back unless the other party gives it to you; however, if you loaned some things to a friend and expected the stuff back and they have the knowledge they are just borrowing it, and he/she isn't giving you your stuff back, can you sue in order to get it all back?

Other scenario: you are loaning your stuff out but they think it is a gift.

Any insight would be great (w/ sources is preferable). Thanks in advance!

2 AnswersLaw & Ethics6 years ago### Libel and Slander: Law question?

I am a bit confused. In cases of Libel, for instance, does libel only fall under instances in which someone published something with malicious intent, but untruthful, or does it also come into play when someone publishes something with malicious intent, but is actually truthful?

3 AnswersLaw & Ethics6 years ago### Is it possible to hook up a normal stereo to work in a car?

I have a really old jeep (79' CJ7) and it has no radio. I miss music while I drive, and I have a stereo system (two speakers about about 1'x1.5' and a middle hub that controls everything). I'm wondering if it is possible to hook up the speakers and middle hub somewhere in my car so I could have music? I figured it could be a cheap alternative to buying something that fits the model, and I have a few ideas about where to put everything. Any help or advice on the matter would be super helpful. Thanks in advance!

2 AnswersCar Audio6 years ago### 4 tough Differential Equations, stuck, any help?

Hey all, I've been doing a bunch of practices, and I don't exactly have anyone to turn to for answers. I have four problems from all of these practices that I cannot figure out for the life of me. I've already attempted them, and I would put the work I've done on here but I feel like I wouldn't have enough space. Essentially, they all deal with seperation of variables. I would really appreciate insight into these problems! Thanks in advance!

1: y'=e^y sinx ; y(-pi)=0

2: dy/dx= (yx+5x)/(x^2+1) ; y(3)=5

-----> On this one, I got down to having to integrate 4 times...which I don't think is right

3: 4x sqrt(1-t^2) * dx/dt -1 = 0 and x(0)=-2

4: dy/dx= e^(2x+3y) and y(0)=1

I really appreciate it!

3 AnswersMathematics6 years ago### Will the end of the universe be a new beginning?

I was reading up on the eventual heat death of the universe, and I began to ponder the beginnings of our own universe. As our Universe more or less began, at one point, from nothing, could the end of our universe lead to another big bang creating yet another universe? Or would the existence of total dark energy prohibit this from theoretically happening? It's a bit of a mind ****, but I'm pretty interested in what could happen in such a scenario.

3 AnswersPhysics6 years ago### What is a "regressive stack limit" and why would a wifi protocol need one?

I have absolutely 0 idea what this means. Any ideas as to what it could be?

1 AnswerProgramming & Design6 years ago### Calculus Confusion; help on clearing up integrals?

Okay, so I am doing some practice sheet stuff on applications of integrals. I am given this multi-part question and I don't know what I am doing wrong. I would really appreciate any help on this, so thanks in advance! I'll put what work I have done as well.

Q1: River Currents (mph) at a certain location are given below. The current direction at this location was "from the north" during the time interval show, and the current did not exhibit any severe fluctuations other than those shown in the chart.

Time all in AM.....| 6:00 | 6:10 | 6:20 | 6:30 | 6:40 |

--------------------------------------------------------------

Speed (mph).......| 17...| 20....| 22....| 21....| 17....|

Part A asks: Using Trapezoids, estimate the average river current speed from the north from 6:00 AM to 6:40 AM

I did this--> 1/b-a * ∫ (from a to b) f(x) dx --> 1/(6:40 am - 6:00 am) * ∫ (from 6:00 to 6:40) T(s) ds

--> (Since 40 minutes = .667 hours) --> 1/.667 hours * ∫ (from 0 to .667) T(s) ds ~~

1/2(T(0) + 2T(1) + 2T(2) + 2T(3) + T(4)) --> 1/2(17+40+44+42+17) = 80 Speed - hours

80/.667h = 119.94 mph

The problem is that this is WAY too fast a velocity. So what am I doing wrong here?

Part B asks: At approx. what time between 6:00 and 6:40 would you estimate that the river current had the average velocity?

Part C: A bottle is sent down river at 6:00, assuming the bottle travels w/ the current, approx. how far south will it be at 6:40?

Thanks again for any help!!!

3 AnswersMathematics7 years ago### Jeep Engine Upgrade Help?

So I have a 1997 4 cylinder Jeep Wrangler. I've had it about at year now and my only complaint is the power the comes along with a 4 banger, which isn't too great. I've already put a lot of work into it and I would like to keep it, so I was wondering what I could do to increase the power without going the immense trouble of putting a new engine in it, if such a thing is even feasible. I would really appreciate any help or advice on the subject since I don't know a whole lot about upgrading engines. Thanks in advance!!!

4 AnswersMaintenance & Repairs7 years ago### Desperate for help! Integrals!?

I cannot figure these two problems out for the life of me. I don't really have anyone to turn to for help, so I would really appreciate some insight into these problems. THANKS!!!!

For a continuous function f(x), f(1)=11, and

∫(1 to 5) f '(x) dx = 9

Determine f(5)

And the other problem

h(x)= ∫(2 to x^2) arctan(t) dt --> find h ' (x)

THANK YOU!!!!

4 AnswersMathematics7 years ago### Republic v. Representative Democracy, what characterizes what?

I am absolutely and utterly confused. What exactly is a Republican form of government; furthermore, what is the relationship between a Republic and a Representative Democracy? Are they the same, different?

Also:

- is a Republic a form of government in which sovereignty rests with the people?

- is a Republic a government established under the Articles of Confederation and/or the Constitution?

Thank you so much (in advance) !

2 AnswersGovernment7 years ago### E=MC^2 Physics Type Question Help?

Hey there, I really don't get how to approach this question, I know I'm supposed to use E=mc^2 but I don't know how to apply it. Any help is appreciated, thanks!!

In a matter-antimatter annihilation event, a particle and its antiparticle annihilate each other and release all of their mass energy (such as in the reaction p + p →2(gamma), for example). How many of these matter-antimatter annihilation events are needed to get our kWh of energy? And what is the total mass of protons and antiprotons required to do this?

2 AnswersPhysics7 years ago### Interference and Diffraction Physics Question, Please Help?

Hey there, I am pretty stumped with this problem. I have tried over and over and can't get it right, honestly don't even know where to begin now. Here is the problem, Do as much as you want or if you could give me the equations I need to use that would be just fine! Thanks in advance!!

Question) An eagle has an eye diameter of approximately 6.2 mm, and human eyes are typically 2.5 mm in diameter. Find the ratio of the minimum separation distance of two objects required for a human to distinguish between them to the minimum separation distance required for an eagle to see them. You may consider the distance between the two objects to be an arc of a circle.

2 AnswersPhysics7 years ago### Quick, Magnetic Physics Problem Involving Direction?

I really don't understand how to find the direction of the electron once it enters the field. Here's the question, I appreciate any help!

In which direction will the Lorentz force act upon this electron as it moves into the field:

o

-------------------->

-------------------->

-------------------->

-------------------->

-------------------->

in this diagram, the charge, o, is moving downward perpendicular to the b-field shown

is the direction:

A. Out of the page.

B. Into the page.

C. Left.

D. Right.

E. Up.

2 AnswersPhysics8 years ago### How do I solve this Pre-Cal Problem?

Solve: 12*cos^2(x)-9=0 over the interval [0,2pi)

I am not sure where to start. This is one of my practice problems and I would like to know the steps on how to solve it. I appreciate any help, thanks in advance!

2 AnswersMathematics8 years ago### Physics Question With Electric Circuits, Help?

I am having a very difficult time on this problem. Any help is appreciated, I just simply can't figure it out. I'll put what I think next to it and I guess we can go from there, thanks in advance!

In the RC circuit shown below, the capacitance, C, has a value of C = 32 µF, and the resistance, R, has a value of 160 ohms. The voltage, V0, of the battery is V0 = 12 V.

Here's the diagram: Imagine a rectangle (long side down), Resistor is on the right side, a Capacitor on the left side, and a Switch accompanied by a Battery on the bottom (the battery is to the right of the switch).

A. What is the time constant of this RC circuit?

---For this I got T=RC=(3.2*10^-5)(160 ohms)= 5.12 ms

B. If the capacitor is initially uncharged, and if the switch is then closed, what will be the final (that is, after a long time) value of the voltage and the charge on the capacitor?

--- And this is where I'm stuck, I though that the equation q=Q'[1-e^(-1/T)] would work, but we don't know t and I don't know what e is.

C. What is the energy stored on the capacitor after a long time has passed?

D. What is the charge on the capacitor 8 ms after the switch is closed?

E. Sketch the charge on the capacitor as a function of time.

THANKS!!!!

2 AnswersPhysics8 years ago### Physics Problem With Decibels?

When a police car is 220 meters from the scene of an accident, the sirens blare at 75 dB. How many decibels higher will the sounds intensity be when the police car is a mere 55 meters away?

I cannot get this for the life of me, any help is greatly appreciated!

3 AnswersPhysics8 years ago### Physics Question? Incredibly confused?

Ok, so I am one step away from getting this problem right but I am doing something wrong, but I am not sure what...any help is appreciated!

In the drawing below, a person stands at point A, 2.25 meters from speaker 2. Which frequency will that person NOT hear?

-----------[speaker 1]----1m-----[speaker 2]---------2.25m----------[A]

A. 152.4 Hz

B. 171.5 Hz

C. 686 Hz

D. 343 Hz

E. 98 Hz

I tried this:

(delta)L = d2-d1 = 2.25=1.25 = 1.25 = (lambda)/2

--> (lambda)=2.5

--> f = 340(speed of sound) m/s / 2.5

and that equals 136...which is not an answer. What am I messing up?

4 AnswersPhysics8 years ago### Physics Question? Incredibly confused?

I cannot for the life of me figure out what to do here, I know the formulas to solve but I am not sure where to start. Any help is appreciated, thanks in advance!

A satellite is in orbit 100km above the surface of the earth, it has a mass of 1500kg.

What is the orbital period of the satellite?

3 AnswersPhysics8 years ago