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Recommendation: Look in the dictionary.

For #14, you can use algerba to find the length of x and y. Simple as that.

This thread should be posted in the "Trigonometry" section, as I have learnt those [math]z = rcis\phi[/math] last semester.

[math]2(T_{1}cos12)=637.65N[/math] yields [math]1.3x10^{3}N[/math]. I just learnt this today in school, and I'll post the explanation later. (Lunch time is over, so I have to head back to class).

If the bottom of your finger touch a sharp object, blood will sputter out. If the sharp object touch the fingernail, there would be no blood. (Perhaps just a crushed fingernail, I don't know. )

I did exactly what you did! But apparently one of the number became negative, so the logarithm won't work.

Yes, thank you.

I used the value of 9.81 for the g. Why did you divide it by 2 though? I kinda focusing my answer on one rope, not both. So you're assuring that you divide the tensions by 2 to give the value for each rope?

According to the online encyclopedia, the human and primate nail corresponds to the claw, hoof, or talon of other animals. Human nails protect the tips of the toes and fingers, while fingernails help us pick up small objects and scratch ourselves. On the other hand, the feet of primates are capable of gripping objects, just like their hands, so their toenails have much the same function as fingernails. However, human toenails seem to be an evolutionary leftover. source: http://ask.yahoo.com/20010504.html

I have read somewhere before that fingernails and toenails are very useful, way much better statements than you what you guys said. It is also known that you can determine your blood ABO groups from your fingernails.

Can't you read at all, Connor? I said, "any help how to solve for the n?" in post #83. Just show me the steps how to solve the n. Because I know the n have to be at least 2 for the answer. Ok?

Objects can't reach past the speed of light, because 1: resistance of air. 2: not enough energy. Plus, using the image of a space shuttle, as it fl really fast, it gradually would go out of the Earth's atmosphere, so it will experience different types of force in the space. I mean, 1.30 x 10^11 miles per second? That's incredibly fast.

I got the value of 3,066.9 N for both of the tensions. This is how I solve this: [math]\sin12=\frac{637.65}{T_{1}}[/math] Am I correct?

I love The Thing's method of answering the question! Very brilliant. I solved the question using my locially mind, and estimate the amount of time Bob will paint the wall. Just a couple of scribbles, and a picture on a looseleaf is just good enough for me. I have a question: If [math]S_{n}>100[/math], what is the least value for n in the provided sequence? [90, 45, 22.5,...] The formula to solve this kind of question is: [math]S_{n}=\frac{a(1+r^{n})}{1-r}[/math] where a =first term, r =rate. So input the values: [math]\frac{90(0.5^{n}-1)}{-0.5}>100[/math]. I feel like a total idiot because I can't seem to figure out how to solve for n. I know that you have to use logarithms to solve the n. My teacher gave us bunches of questions except this one, because she said that we don't need to know how to do it. I said yeah right, I want to do it to challenge myself. So any help how to solve for the n? The n should be at least 2.

I assume the answer to be A, because of the hint: Jill painted the line after 1 hour. Am I right? I only took a few minutes to think about it, because I actually have to go sleep now.

Gravity is probably a weak force, but strong enough to keep humans on the Earth.

I don't think you can filter alcohol from your blood, because the alcohol would be flow around in your whole body. BAC (Blood Alcohol Concentration) means a specific amount of alcohol per unit in your body, so you should let your kidney do the job. If you were to doing some idiotic, then don't do it.

Any comments on post #75 please? I looked on the Internet for geometric sequence formula, and it appeared to be the same with my teacher's. I input my answer on the graphic calculator and it gave me the perfect number of 52, 470. Any help?

I do know how to work with vectors. Fg for the hanging light? And force applied at both angles. I'm just having a problem how to find the magntiude of the force at those 2 directions.

I thought my question explained what the diagram would look like. Here's the diagram:

Often when I shallow my burps, I would force myself to shallow it, and when that happens, your throat will get hurt. It'll feel like flame for a few seconds, so I had to drink water to smooth it down.

I confronted this force problem in the Physics Nelson's Textbook, and my teacher gave us a lot of other questions except this one. I told her, I wanted to do it to challenge myself. But oddly enough, I'm struggling with it. Here's the question: A traffic light hangs in the centre of the road from cables as shown in the figure. If the mass of the traffic light is 65 kg, what force must the cables exert on the light to prevent it from falling? (Hint: Since the angles that cables make with the hortionzal are the same (12 degrees), they both exert forces of the same magntiude. Any suggestions?

If you want to bend the metal with your hands, then over time the part that is bent, will snap. I'm sorry, but heat is the best method to bend the metal, without snap or even hurt yourself.

Time is just an abstract idea to define the frame of reference to give us the ability to measure things. Also, it gives us a reference of mind to organize the human races, because we need to know when to meet someone. Or we'll even never know when Winter will be coming. Imagine a world without time. IMAGINE THE CHAOS. Edit: Pardon me for the bad post. I read it again, it looks bad.