I should probably give the motivation for my question - how to I explain to a department where I work that the 1000's of dollars they're spending on these spray bottles is completely wasted - the claims are bogus. But, I never assume I know everything - I could be wrong (shhhh, don't tell my...
"Ionized water spray bottles"
I'm not sure if anyone has seen these products. But, there are several different products out there - you put plain tap water into a spray bottle that has a battery & some "fancy looking" electronic equipment inside, include little LED lights that apparently flash...
I hate to bump an old thread, but my students ran into the same question (and found this thread while trying to figure it out.) Since it's a common lab, I wanted to add in one thing that was somewhat suggested by Bystander: with your multimeter, did you attempt to measure the resistance with...
How about writing the numerator as a MacLaurin Series, then dividing out the n in the denominator? Then, use a comparison test and compare it to the MacLaurin Series for Cos(n)?
\sin{n} = n - \frac{n^3}{3!} +\frac{n^5}{5!} - \frac{n^7}{7!} +\frac{n^9}{9!} . . .
Therefore...
I don't think he's looking for a solution involving dy/dx :) (Assuming he meant to post in the pre-calculus forum!)
physicsissuef, 100 doesn't sound right for "K". Assuming you're referring to the K that would make the equation of the ellipse x²+4y²=100. The line, 2x + 3y - 2 = 0 would...
with all due respect, I disagree with dynamicsolo. A frequently taught physics concept is why does a charged balloon stick to a wall. And, the correct answer, had the question been worded in such a way is "C".
However, there's no indication that the balloon had a net charge to begin...
Not to bicker too much sutupidmath, but a continuous growth model is not correct. I'm looking out my window at this very moment. The view of all the snow and trees without leaves has served as a constant reminder for the last 6 months that tree growth isn't a continuous growth model...
I agree with HallsofIvy. I'd be surprised if your teacher didn't say that the very first step on these problems is defining the variables. Before you even write the first equation, you should have something like:
Let B = the weight in kilograms of bananas
N = the weight in kilograms...
Use the hammer to smash the plane into little pieces. Prop a ruled level on a screwdriver, and piece by piece, balance them with the hammer by adjusting the position of the screwdriver. If a piece is too heavy, smash it into smaller pieces. Use the formula weight * distance to hammer /...
Numerators when a fraction is simplified and the denominator is 12, starting with 0.
0/12=0 (0)
1/12 (1)
2/12 = 1/6 (1)
3/12 = 1/4 (1)
4/12 = 1/3 (1)
5/12 (5)
6/12 = 1/2 (1)
7/12 (7)
8/12 = 2/3 (2)
9/12 = 3/4 (3) <---- That's the next one
10/12=5/6 (5) <--- 5 is the one you're...
I'd rather be very picky about this. What's the best way to explain (to bright students) why there's no current in a bird when it sits on a high tension wire? i.e. when a student points out that it creates a parallel circuit with resistance in the wire in the ballpark of 5 times 10^-7 ohms...
Actually, OP, all you have to do is sit back and wait (grab a six pack of beer or so, because it's going to be a long wait.) This is already occurring! The moon's orbit is increasing by a couple centimeters each century. Although, the moon will eventually find a stable orbit in about 15...