Table Definition and 894 Threads

Hello, Is there any way of getting the percentage value of In and Ga in question marks, using equations. I've been working this for few hours and really have no idea. [PLAIN]http://indiansketches.com/img.png Thanks in advance

Homework Statement A very small steel marble is shown rolling at a constant speed on a horizontal table. The marble leaves the table at M, falls, and hits the ground at P. This is illustrated in the diagram below which is drawn to scale. Calculate the time it took the marble to travel from L...

Homework Statement A perfectly flexible cable has length l. Initially, the cable is at rest, with a length of it hanging vertically over the edge of a table. Neglecting friction, consider the cable's motion as it slips off the edge of the table. (a) Show that the length hanging over the edge...

Homework Statement A doctor's prescription calls for a daily intake of liquid containing 40mg of vitamin c and 30mg of vitamin d. There are three liquids that can be used: one contains 20%vitamin c and 30% vitamin d; the second, 40% vitamin c and 20% vitamin d; the third, 30% vitamin c and 50%...

Is it possible to turn my 20 square foot welding table into an elctromagnet? I weld steel cut nails into artwork. The nails lay flat on the steel table, but the welding process sometimes "shifts" the nail out of position during the spot weld. This error causes the process to be shut down, and...

Homework Statement a 40kg duck walks from the outside to the inside of a rotating circular table of mass 100kg. if the rotational intertia of the table is 250kg*m^2 and the duck moves from a radius of 2.5m to 1.5m, find the final angular speed of the table if it rotates at 2.0rad/sec at the...

Homework Statement I am given the binary equivalent of ASCII codes and I am asked to decode a particular binary message (ASCII binary to actual ASCII character). I am required to write it in C. Where can I get a text file of the ASCII code so I may create a look up table? I googled...

why aren't the lanthanide and actinide series included in the periodic table? is there some non periodicity in there elements?

How did Dimitri Mendeleev know that some of the elements were missing/not discovered? How did he know that the missing elements existed? Did he find some sort of pattern when he created the Periodic Table?

A uniform solid cylinder is set spinning about its axis and is then gently placed, with the axis horizontal, on a rough horizontal table. What fraction of its initial kinetic energy is dissipated in sliding friction before the cylinder eventually rolls smoothly along the plane? The only...

The argument is: ~(A^B) / (~A^~B) -> (C^D) / D->C // C I've attached the truth values that I've filled in. I have difficulty in determining the truth values of A and B since I can't get any clue from other statements. Any advice would be appreciated.

I have a variable called 'Node' which has a 1x5 structure and each of the 5 cells is made up of other variables. I now have a 1x5 matrix as a completely separate variable. I am trying to merge the two together, so that in cell 1 of the Node variable, i have the 1x1 value of the matrix, in cell...

Does anyone know where to find a list or table of galaxies and their masses? I haven't been able to find one yet. One with their redshifts would be nice as well. Thank you very much.

Homework Statement There is a stick of length l moving at velocity v to the right on a table of height h. Calculate the time and angle at which it loses contact with the table from the point where exactly half of the stick is off the table. Homework Equations F=ma x=wt+1/2at^2...

Hi guys, i was just wondering if there is some book or whatever that has a list of loop integrals. More specifically, I am looking for one-loop integrals in the lightcone gauge with an arbitrary number of propagators. I found a paper by Leibbrandt which tells me how to calculate them, but I...

I want to make a Table[] but aI don't want this function to evaluate its argument each time. for example, I want to make the table {12,22,32,42,...}, instead of {1,4,9,16,...} how?

Homework Statement If rolling mill is running at 10 meters per second and roller table after mill is running at 20 meters per second. Before cutting of bar, it will move at 10 meters per second. Before cutting, roller table is trying to pull the bar, but since bar is not cut, it will...

If rolling mill is running at 10 meters per second and roller table is running at 20 meters per second. Before cutting of bar, it will move at 10 meters per second. After cutting bar has to move with the speed of 20 meters per second on roller table. How much time bar will take to reach to...

Hello I have an assignment to do about the force table. I'm not sure about my answers, hope someone could check it for me if I answered correctly. 1.What kind of forces do you use on the force table? Explain about the used forces. Resultant force, Equilibrant and Weight. -Resultant...

Hi all, I have a 2nd order ODE I am trying to solve using NDSolve. In the ODE there are two constant coefficients and an initial condition that I want to 'vary'; meaning, I have a table of initial conditions with corresponding constant coefficients. It is straight forward to solve the ODE...

As per title. Values from 0 to 20 degrees Celsius are easy to find but I've yet to find one that goes below 0 and up to 80.

Homework Statement An object of m=0.85kg is on a table. It is attached via pulley to a hanging object of m=0.42kg. The pulley is a hollow cylinder of mass 0.35 kg, with an inner radius of 0.02m and an outer radius of 0.03m, and it turns without friction. The coefficient of friction between...

Homework Statement Block A has a mass of 4.90 kg and rests on a smooth table. It is connected to Block B which has a mass of 3.50 kg. Block B is released from rest. How long does it take Block B to travel 0.840 m? Description of figure; Mass A is on the frictionless table. Mass B is...

My friend and I are doing table top fusion for our science fair. We can not figure out a sutable replacement for lithum crystals either than magnets. We need independat varibles, because our teacher says that just 2 magnets is not good enough. Also, it has to be cheap and can be handled by 13...

Homework Statement I don't know how to fill in the following k-maps [PLAIN]http://img502.imageshack.us/img502/7339/dsc00767mn.jpg Homework Equations The Attempt at a Solution The onyl way I know how to fill in a k-map from a table like that is to go down the present state and...

Homework Statement prove that: not A implies B if and only if not B implies A Homework Equations construct truth table The Attempt at a Solution the answer is given as a table (T means true, F means false): A| B| not A implies B| not B implies A| IFF T...

I really struggle to integrate this fraction expression: \int \frac{2}{4x^2+1}

So I've been handed an assignment, to design the mechanism and structure to oscillate a sanding table left and right. I thought about strapping a pneumatic mechanism underneath, a rod would connect to clamps which are attached to the board. My question is, would a pneumatic mechanism be a bit...

aka "How to Rearrange the Elements Without Engaging in Alchemy" Below is one view on what the Periodic Table might look like if it were "callibrated" in geometric fashion to the Atomic Numbers of the Earth Alkaline Metals. (red cells) 4, 20, 56 and 120 are all 4 times the sum of squares (1 + 4...

Hey, When we play Poker online, we are using a centralised network. You deposit your cash online, sit down at a game and play. You place your trust in the site to be secure; no other players can see your hands and no money is being secretly stolen from you. Even big name sites have been known...

Homework Statement I have to figure out how to solve this integral without a table : int((2r/sqrt(r^2-s^2))*(1/2)*(R-r)^2),x,s,R) where R and s are constant parameters in the function. Homework Equations The Attempt at a Solution So far i have tried breaking the function up and...

1. You push a 100g object across a table and release it 2 m from the edge. The object slides across, sails off the edge falls 1m to the floor and lands 30 cm from the edge of the table. If the coefficient of friction is 0.5 what was the object's speed as you released it? 2. f=ma...

A pink granite inspection table here where I work comes up radioavtive when read with a gieger counter. The Geiger counter says beta emissions are coming from this table. When I scan the gray granite table the geiger counter reads almost nothing. Note: I don't know the level of radiation...

I've created a new html table of the nuclides that allows you to only show even, odd or every 4th nuclide making it easier to see patterns in the overall chart. See the image below. The horizontal axis can be either 'the number of neutrons' or 'the number of neutrons minus the number of...

Is anybody aware of how to solve the following infinite sum: \sum\frac{1}{n^2} for all positive odd integers? Is this the sort of thing you just look up in a math table or solve? If math table, do I need a "sum of reciprocal powers" table or a "riemann zeta function" table? If...

Homework Statement Homework Equations m1 \SigmaFy=N-m1g = 0 \SigmaFx=T=m1a (Because there's no friction i see no opposing force to T) m2 \SigmaFy=m2g-T=m2a \SigmaFx=0 The Attempt at a Solution m2g-T=m2a T=m1a (m1+m2)a=m2g-T+T I notice that the T's...

Homework Statement You place a book flat on a table and press down on it with your right hand. The hand-to-book and table-to-book coefficients of kinetic friction are 0.50 and 0.45 respectively. The book's mass is 0.98 kg and your downward push on it is 9.30 N. Now, you use your left hand to...

Figure 5-58 shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on a frictionless table; the masses are mA = 4.40 kg, mB = 9.80 kg, and mC = 12.0 kg. When the blocks are released, what is the tension in the cord at the right? all i could do on this one is...

The original mass is 25.5g. The mass(G) we got were: 23.4 mass(g) - 7.7 Air speed(km/h) 22 mass(g) - 9.7 Air speed(km/h) 20.3 mass(g) - 12.1 Air speed(km/h) 19.2 mass(g) - 13.5 Air speed(km/h) 18.35 mass(g) - 13.7 Air speed(km/h) I needed to find the lifting force and the Speed in m s-1 So...

Homework Statement A force of 32.68 N pushes and pulls to blocks as shown in the figure below. The vertical contact surfaces between the two blocks are frictionless. The contact between the blocks and the horizontal surface has a coefficient of friction of 0.24. The acceleration of gravity...

Homework Statement A 36-kg round table is supported by three legs placed equal distances apart on the edge. What minimum mass, placed in the middle between two supports on the table's edge, will cause the table to overturn? a) 12kg b) 24kg c) 36kg d) 48kg Homework Equations...

Homework Statement I'm confused on how to set up the columns of a truth table. Is there a rule for doing this. ex) (P->(~RvQ))^R would you break it into smaller pieces P,Q,R then start inside and work out so next it would be (~RvQ) then (P->(~RvQ) and then (P->(~RvQ))^R Homework...

Homework Statement By providing a truth table, show that the following logic statement is a tautology: p ∧ (p → q) → qAny help will be much appreciated. Thank You

A particle of mass 100grams rests on a smooth horizontal table and is attached to one end of a string which passes through a small hole in the table and supports a particle of 200grams. With what velocity must the 100gram mass be projected on the table so as to describe on the table a circle of...

http://sfbay.craigslist.org/sby/fuo/1893384577.html" The mistake the seller did is, (s)he cut pasted the description from the original. A google search of the description shows the item price is $188. http://www.overstock.com/Home-Garden/Incline-Walnut-Coffee-Table/4717584/product.html"...

I thought a segment table had 4 segments and looked something like this: \begin{array}{ccc} \mbox{Seg ID# } &\mbox{Base }& \mbox{Limit} \\ \mbox{0 (code) } &0\mbox{x}4000& 0\mbox{x}0800 \\ \mbox{1 (data) } &0\mbox{x}4800& 0\mbox{x}1400 \\ \mbox{2 (shared) } &0\mbox{x}\mbox{F}000 &...

If the Cayley table, of a finite set G, is a latin square (that is, any element g appears once and only once in a given row or column) does it follow G is a group? I know the converse is true, and it seems reasonable that this is true. Since the array will be of size |G|x|G|, inverses exist and...

http://www.nydailynews.com/news/world/2010/07/12/2010-07-12_king_arthurs_round_table_found_say_historians_camelot_centerpiece_was_ancient_ro.html King Arthur's legendary Round Table is no longer the stuff of fantasy - researchers say they've found the location of the most famous landmark in...

Homework Statement - The following table gives the population of a city over time: Homework Equations I know this equation: y = a(b)x and exponential growth: b = 1 + growth rate and b = 1 - decay rate The Attempt at a Solution I know from back in chapter 2 that first...

Homework Statement A ball rolls off a table with a horizontal v of 8m/s. If it takes the ball .22s to hit the floor, how high was the shelf? Homework Equations d=Vot+1/2at² The Attempt at a Solution HORIZ a=0 Vo=8m/s V=8m/s d=? t=.22s d= (8)(.22)+1/2(8)(.22²) Is the...