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• Users: misskitty
• In Introductory Physics Homework Help
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1. ### Hamlet - at the end

It also states that in the thread Tom posted entitled: Read this before posting. Kitty
2. ### Hamlet - at the end

How do you think he feels? That portion of the play is mostly up to interpretation. He is a Prince who has been crusading around Europe trying to conqure his neighboring countries. Remember that there was a long standing rivalry between Denmark and Norway. So for Fortinbras to conqure his rival...
3. ### Standing Waves Velocity

Link are you all set now or are you still wondering why the length between the nodes is not the wave length? Kitty
4. ### Can we say that living things have mechanical energy?

Doc actually probably has the simplist answer of all of us. :smile: Why do we always have to make simple things so complicated? :wink:
5. ### Can we say that living things have mechanical energy?

No the stone has no mechanical energy. It is moving because you exerted your energy to move it. It did not move on its own. If you threw it then it would have mechanical energy. If you dropped it then it would have kinetic energy. You simply picking it up does not give it energy. It becomes a...
6. ### Can we say that living things have mechanical energy?

Everything has potential energy even when its at rest. Your statement makes sense. From reading Daniel and Ivy's posts, I would conclude that living things have mechanical energy; since we have potential energy and use kinetic energy every time we move.
7. ### Confusing Algebra problem help

Whozum, thanks! I just worked out your formula with the data and checked the answer in the back of the book, its correct. Thanks for the help everyone! :biggrin:
8. ### Hooke's Law Query

Thanks for clarifying. Sometimes its hard to remember the simple stuff, you know? Thanks Fred. :smile:
9. ### Confusing Algebra problem help

Ah ok, I think I'm more graphing calculator illiterate than I am computer illiterate. :redface:
10. ### Hooke's Law Query

Morning peoples, I have a query about Hooke's Law. :confused: I have a problem which asks me to calculate the spring constant (k). I know how to do it, but my question is when I use the formula mg/x can mass be in Newtons or does it have to be in kg? Looking forward to your answers...
11. ### Confusing Algebra problem help

got it thanks
12. ### Confusing Algebra problem help

Ummm, right. :confused: What I posted is what I've got for information. Would I divide the molar mass by 1000? I would assume each dilusion would be the intial concentration divided by 10. I don't understand the CO notation you're talking about. Wow, I suck at word problems! Thanks Marlon...
13. ### Confusing Algebra problem help

Just out of curiosity, why would I use y=mx+b? I was following the amount x multiplier^to a power. I don't know what to do.
14. ### Confusing Algebra problem help

Ok, I have this word problem dealing with exponential growth and decay. I need serious help. There are three parts to this problem...I really need help with this. Here's the problem: A dilution is commonly used to obtain the desired concentration of a sample. For example, suppose that a 1...
15. ### Decrease a substance's temp by stirring

Thats good to know. Sometimes I feel like I'm the only one. Kinda makes me feel a bit stupid when I have to ask for help...::redface:
16. ### Decrease a substance's temp by stirring

Ok. Thanks. :biggrin: That helps...now can someone explain to me why I can do all the really complicated stuff no problem and get it while the rest of my peers have their mouths hanging open out of sheer confusion...yet I can't get something SIMPLE like THIS? :devil:
17. ### Decrease a substance's temp by stirring

So why does stirring a hot cup of coffee cool the coffee? Does the heat energy transfer to the spoon?
18. ### Decrease a substance's temp by stirring

This question is really bugging me. If water is in a sealed and insulated container and is stirred will the temperature slightly increase, slightly decrease or stay the same? Explain your answer. I'm really stuck. I was going to say slighty increase, but I'm not sure because can you...
19. ### Noah's flood, fact or fiction

I still want to know where all that wood came from.
20. ### Noah's flood, fact or fiction

What program was that? Sounds really interesting. This has become quite the long running thread. :smile: I wonder...If that ark had to fit that many animals and it was the size of a modern day cruise ship made out of wood...Where did Noah get all the wood? He lived in the desert didn't he...
21. ### Noah's flood, fact or fiction

It probably would put some of the species at risk of dying off.
22. ### Dynamics Question

How did you come up with the acceleration of 6.7 m/s^2?
23. ### Dynamics Question

Grr, unfortunately I've never seen a problem like this. All I can think of is Newton's thrid law: the forces of two objects acting on one another or of one object acting on another object, the contact forces will be equal and opposite. That's as far as my thinking takes me right now. Sorry love.
24. ### Dynamics Question

Do you have any other information?
25. ### Dynamics Question

Hmm, this is interesting. It would've been eaiser had they asked you for the coefficient of kinetic friction. lol. Well, there is no vertical acceleration so that's out. Are you looking for WORK or FORCE?
26. ### Fishing and torque

Isn't the 20 degrees a completely different angle than the 123 degree angle?
27. ### Dynamics Question

Couldn't you use the Fnet=ma formula? Input the total mass as m and use the 6.7 m/s^2 as your a.
28. ### Dynamics Question

Ok...I have notes on a similar problem. Let me see if I can point you in the right direction.
29. ### Noah's flood, fact or fiction

It only seems logical after so many copyrightings that someone might add an index. I've only found a handful of religious references (christian and non-christian) that actually have them.
30. ### Dynamics Question

Alright, that makes this a bit easier. What do you have for work so far if anything? Because you can count both of them as one mass since there in contact. That elminates one variable.
31. ### Dynamics Question

OOOHHH! Ok, so let me see if I've got this...your 100g mass is moving and the 50 g mass is stationary...right?
32. ### Dynamics Question

What do you mean by "applied force of 1N of the greater mass"? That's kinda confusing. I might be able to help you.
33. ### Noah's flood, fact or fiction

A very valid point Grogs. Unfortunatly you're right too. I agree with you that it would be great for kids to learn the basic tenets of other religions and make their own decisions. Its all too scary that with all the violence hardly makes it worth it...but should that stop us from trying? Just a...
34. ### Noah's flood, fact or fiction

Russ, you're right. It is all in the tone of how one teaches the material. Unfortuantly, there are many people out there that don't follow such a curtousy (sp?). Some teachers walk a very fine line of what's unbiased and what's not. It makes the students in classes uneasy.
35. ### Noah's flood, fact or fiction

Cool link honestrosewater. There's a lot of interesting and good information there.
36. ### Practical Project Help : The Resonance of different pieces of metal.

Thats a pretty cool real world application. What do you do with jet engines? Design them? This also has an application with insturments too. Have any of you ever wondered why certain instruments are made from some materials and not others? Its because of the resonance of the metal. Also the...
37. ### Noah's flood, fact or fiction

There is no real way to justify the ENTIRE flood. Most of it is just a leap of faith. Thats why they call it Faith. People are in the process of trying to prove the flood was a real honest to goodness historical event. Look at all the time people are spending on Mount Ararat in Turkey. Many...
38. ### Make d/t and v/a graphs

If you have access to it, there's a program called Graphical Analysis that was specifically designed for graphing physics labs on the computer. It calculates the Best Fit curve for you using either direct or indirect equations and then tells you what the lowest MSE is so you can pick the best...
39. ### Confused and Annoyed with heat

:bugeye: Ohhh...ok that makes more sense. Thanks, I think that clears stuff up for me.
40. ### Noah's flood, fact or fiction

Just for thought...when you were plotting the graph, did you put in (0,0) as one of your coordinates? Because I've had a few labs that have done the same thing and when I put in the origin as one of the coordinates, the problem corrected itself. I don't know if that helps ya, but just food...
42. ### Confused and Annoyed with heat

I think it might help...but I'm just guessing at why the bridge's surfaces freeze faster. :confused: I didn't remember that air can also be used as an isulator. Thanks for reminding me.
43. ### Need some study help

Not really anything specific. Some of it is specific like: How do you know where to put your lever arm in a problem that asks you to calculate how much torque is being applied to the object in equilibrium, with several other forces involved? I just need some guidance on how to break the stuff...
44. ### Confused and Annoyed with heat

I hate to double post...but could someone please help me with this question? I really would appreciate your thoughts on it. I really am not sure if that's a vaild valid answer to the question. Please someone post! MissKitty
45. ### Confused and Annoyed with heat

This is something I have been thinking about since last night and I cannot figure it out! :confused: The question is: Explain how conduction causes the surface of a bridge to freeze sooner than the road surface on either side of the bridge. The only thing that I can think of is that the...
46. ### Noah's flood, fact or fiction

I have seen those shows. Its a vaild opinion of what happened and its great that people feel the need to explore this. I wasn't using the Bible as a source of literal information. Simply restating what is said in that particular story. As well as commenting on the book it came from. I do agree...
47. ### Need some study help

I need some study help with Rotational motion and dynamics. I have to teach myself the material because I can't go to school. I need help learning how to apply the material and how to remember the equations. Can anyone give me any suggestions and study help tips? Anything you can provide would...
48. ### Noah's flood, fact or fiction

Christian-its fact...the story of the flood wasn't in Exodus it was in Genesis 6:1-9:29. Remember in the story that it Rained for 40 days and 40 nights. Your right, that is a lot of rain.
49. ### Why The earth and the moon attract each other with a gravitational force

Ok fine, but that's still not the question. How do the forces compare?
50. ### Why The earth and the moon attract each other with a gravitational force

Not necessarily...It doesn't have to be a positve number.