Saturday

April 19, 2014

April 19, 2014

Number of results: 139,145

**Quantum Physics**

Problem 1 a)No b)1 c)a; -b Problem 13 a) 1; 0 0; 5 b)Last tick for multiple question c)0 d)0 Anyone for Problem 5 though please?
*Sunday, March 24, 2013 at 2:53am by FLu*

**Quantum Physics**

Problem 10 1; -1 -1; 1 Problem 11 0000 0000 0010 0001 Anyone for Problem 4 and 5 please?
*Sunday, March 24, 2013 at 2:53am by FLu*

**physics**

The problem has 55m/s... the instructor changed numbers in the original problem and I guess he wanted to change that number to 55. I thought it was strange too at first. So for conservation of momentum, would i use mhvh=mcvc where h is for human and c is for car?
*Wednesday, July 21, 2010 at 1:28pm by physics*

**Physics**

DID YOU KNOW,IN BRILLIANT,hardly ever give the solution for difficult problem,such as this problem...if it just flow away,and abandonded,WE CANNOT LEARN FROM THAT DIFFICULT problem
*Monday, May 6, 2013 at 12:21am by Brilliant level4 and level 5 player*

**Statistics**

@Helen - i can see that,not sure how the page was deleted,see below incl ur ans PROBLEM 1 ans: E & F PROBLEM 2 ans: C - "The distribution of the cholesterol levels of the residents of the state is close to normal, with an unknown mean and an unknown SD" PROBLEM 3 ans:11 ...
*Sunday, August 4, 2013 at 11:23am by stat001*

**physics**

u = 7 cos 60 the whole time so u = 7(1/2) = 3.5 m/s end of problem If there are more parts to this problem: Vi = 7 sin 60 at the beginning horizontal problem: x = u t 2.8 = 7 (1/2) t t = . 8 seconds in the air t at top = .4 s h = Vi (.4) - (9.81/2)(.4^2)
*Monday, September 2, 2013 at 1:47pm by Damon*

**physics problem**

Need help with physics problem.
*Monday, January 25, 2010 at 9:18pm by DrBob222*

**Physics**

-0.71 mm Problem 3) 184 MPA Anyone for Problem 1 and 2 please?
*Tuesday, April 30, 2013 at 3:36am by FLu*

**Physics**

problem 4_1? SD truss problem with the method of joints...............!
*Tuesday, April 30, 2013 at 3:39am by roni*

**physics**

wait i believe this is not my problem? mine is the cannon problem
*Wednesday, December 15, 2010 at 5:17pm by katerina C.*

**physics**

What is the velocity of the second ball in problem the last problem above to one decimal place?
*Sunday, August 15, 2010 at 10:53am by Skyler*

**Physics**

Sorry abdrrahim did not realise it was solution for Problem 1. Do you have the others for Problem 2 please?
*Friday, April 5, 2013 at 11:53pm by FLu*

**Quantum Physics**

For the problem 6 the solution is "1" Anyone tried the problem 5?
*Sunday, March 24, 2013 at 2:53am by Anne*

**Physics but algebra problem**

Where i am having a problem to....Do you have same prob James? Acceleration is stumping me.
*Wednesday, September 23, 2009 at 6:29pm by Leah*

**Physics**

THanks DOnny, yes me too. Anyone for Problem 3)b)? and Problem 1)f) B_0 for both cases. Formula or values would helpful, thanks.
*Wednesday, May 8, 2013 at 3:58pm by Ku*

**physics**

i would like to say thank you for this wonderful problem .. this same problem appeared at my homework and it was a big help
*Monday, October 31, 2011 at 11:54am by mara tuazon*

**physics**

Yes, please the question below too?! Problem 2: Displacement Current a) Problem: Open Switch on an RL Circuit b) and c)
*Tuesday, April 9, 2013 at 2:24pm by Ira*

**PHYSICS**

Now your elevator problem and your rope problem are very much the same so look them over carefully.
*Saturday, November 30, 2013 at 7:29pm by Damon*

**Short Circuit Problem (Physics)**

No problem ^^
*Saturday, April 12, 2008 at 9:13pm by Dan*

**physics**

I have no idea what your figure looks like but in general this is a projectile problem You have a constant velocity normal to the E vector (which is constant between the plates) like horizontal speed in a projectile problem You have a F = q E problem in the direction of the E ...
*Saturday, February 8, 2014 at 11:42am by Damon*

**Quantum Physics**

No prob anynomous. Problem 13 a 1; 0 0; 5 Problem 12 a -1, 3 Would be nice if someone could figure out 4 and 5.
*Sunday, March 24, 2013 at 2:53am by FLu*

**Physics**

i have done all my homework these 5 problems i could not understand.. my answers are due at midnight tonight im a senior in this physics course and math is generally my strong point but when it comes to things like this i try and i didnt get it so i posted the problem on here ...
*Sunday, October 3, 2010 at 10:15pm by Elizabeth*

**Physics**

Hey, look, posting the problem three times is not going to make me finish the managerial economics problem any faster :(
*Wednesday, February 6, 2008 at 8:07pm by Damon*

**PHYSICS**

Identify/name at least 1 biological science problem and prepare on how procedure on how to solve such problem then recommend solutions.
*Wednesday, December 4, 2013 at 7:21pm by ASAP*

**physics Classical Mechanics**

Hi, Roma. I am having the same problem as you. If I find out I will let you know. I am still trying to solve the problem on the missile.
*Sunday, December 8, 2013 at 11:14am by Hil*

**physics**

Problem 2 is answered now Ruben, look at my profile. Do you have by any chance Problem 3 c) second part? tesla in square meter
*Sunday, April 7, 2013 at 1:39pm by FLu*

**physics**

You should start by drawing triangles to model the problem. Tell us how you would go about solving the problem, and then we can critique your thinking.
*Saturday, November 17, 2007 at 1:41pm by Michael*

**Physics**

03 this was mentioned by Slylar in another thread but did not work for me for f) problem 2: And for 2f is sqrt(2c*capacitor)*pi/2 do you have formula for problem 2) d) and e) please?
*Wednesday, May 22, 2013 at 3:37pm by FLu*

**physics**

Bobpursley, if you could, would be able to elaborate on what you mean by "mgh=f*d=mad" I am new to physics and I have pretty much this same exact problem for my homework and I can't figure it out on my own. I have searched the book and nothing that is in the book that has been...
*Sunday, September 27, 2009 at 9:44pm by John*

**6th grade**

You only use the reciprocal when the original problem is a division problem. Your problem is a straight multiplication problem.
*Thursday, December 9, 2010 at 7:01pm by Ms. Sue*

**Quantum Physics**

In Problems 1 to 5 we will work through example of QFTM for M = 6. Problem 1: What is w? You can use e, pi, and M in your response. Please do not subtitute 6 for M. Specify the probability amplitudes. You should use w to denote w, but please fully simplify your answer such ...
*Wednesday, March 20, 2013 at 1:22am by Hal*

**physics**

Can you not just copy the problem from the book, so we get the correct wording? It's enough work to solve the problem for the answer, without having to figure out the question as well!
*Wednesday, October 5, 2011 at 4:43am by MrGrumpy*

**physics.....**

This problem has been posted on Brilliant as a current problem in this weeks' Geometry problem set. I am unable to post an image or internet link to it. Please refrain from telling the OP the answer. I ask that moderators take this posting down. - Calvin Lin Brilliant ...
*Tuesday, February 19, 2013 at 2:48am by Calvin Lin*

**physics**

This problem has been posted on Brilliant as a current problem in this weeks' Geometry problem set. I am unable to post an image or internet link to it. Please refrain from telling the OP the answer. I ask that moderators take this posting down. - Calvin Lin Brilliant ...
*Tuesday, February 19, 2013 at 2:47am by Calvin Lin*

**physics**

This problem has been posted on Brilliant as a current problem in this weeks' Geometry problem set. I am unable to post an image or internet link to it. Please refrain from telling the OP the answer. I ask that moderators take this posting down. - Calvin Lin Brilliant ...
*Monday, February 18, 2013 at 1:20am by Calvin Lin*

**physics**

How long to hit the building? Horizontal problem: u = 125 cos 20 t = 200/u the projectile is therefore in the air for t seconds, use that in the vertical problem Vertical problem: Vi = 125 sin 20 h = 0 + Vi t - 4.9 t^2
*Sunday, September 30, 2012 at 5:52pm by Damon*

**Physics**

Write a projectile motion problem with the initial condition vi=15 m/s at 50° above the horizontal. Solve this problem for ∆x, max height, and time of flight.
*Wednesday, October 7, 2009 at 9:50pm by Help*

**English**

1. It's your problem, not my problem. 2. It's your problem, and it's not my problem. 3. It's your problem, but it's not my problem. (What does #1 mean? Does #1 mean #2 or #3? Or do you have another expression which is the full form of #1?) 4. I think the girl (to be) her. 5. I...
*Monday, July 6, 2009 at 5:48am by John*

**Quantum Physics**

In Problems 1 to 5 we will work through example of QFTM for M = 6. Problem 1: What is w? You can use e, pi, and M in your response. Please do not subtitute 6 for M. Specify the probability amplitudes. You should use w to denote ƒÖ, but please fully simplify your answer such ...
*Wednesday, March 20, 2013 at 1:22am by Help*

**Physics**

Please help!!! Physics test!? I have a physics test tomorrow on projectile motion, and I don't feel ready for it. I'm having trouble in the class and I need to ace this test. The problem is I get confused when I get a problem. I don't know how to proceed. After I read the ...
*Tuesday, October 9, 2012 at 5:32pm by Mike*

**physics-please help**

Now Sabrina, We did the previous problem for you. It is very similar to this problem. Please try it. It is really just trig.
*Monday, August 27, 2012 at 8:09am by Damon*

**PHYSICS(HELP)**

I am willing to do one 8:01 type problem a night. I did the gun range on a slope problem. You are all on your own for this one.
*Friday, January 10, 2014 at 6:50pm by Damon*

**physics**

problem 1 is conservation of momentum m (v) + M(0) = (M+m)V problem 2 is conservation of energy Ke after collision = (1/2)(m+M)V^2 which = (M+m)g h
*Friday, May 1, 2009 at 12:28am by Damon*

**mat/117--Incomplete problem**

(C-5)-^2 This is the second time you have posted this. You were already told to proofread your problem and you were asked a question (you failed to answer). The form of your problem doesn't make sense. Your problem is already in factored form. What is the '-' before the ...
*Saturday, February 19, 2011 at 8:47pm by Helper*

**college physics**

how can i find heat capacity of silver without there being a temperature in the problem the problem only lists the mass of the silver
*Thursday, April 22, 2010 at 6:39pm by maxie j*

**physics**

It's a two step problem dividing the problem by the coordinates x and y. The horizontal velocity (initial velocity) is 3.33m/s. 5 years late haha.
*Sunday, March 11, 2007 at 11:41pm by Gwen*

**physics**

YEAH I GOT IT PROBLEM 3 c) secnd part -0.687332867 !!! SO PLEASE PROBLEM 4 (b) ??!!! Hurry up i got 10 minutes to check !!!!!
*Sunday, April 7, 2013 at 1:39pm by Luiis*

**chemistry**

Did you and I work on this problem yesterday. If not, then let me tell you quickly where your problem(s) is/are. First you MUST use Kelvin for T1. That is 80.1 + 273.16. I think the problem asks for T in C BUT you must solve the problem first, using Kelvin, then convert back ...
*Sunday, January 25, 2009 at 8:41pm by DrBob222*

**Physics**

There is no figure to help explain the problem, and this is not a place to come to have problems completely worked out for you. This looks a problem where you would apply the formula Torque = rate of change of angular momentum
*Saturday, November 27, 2010 at 5:45pm by drwls*

**math**

What strategy did you use in solving this problem? 22. Suppose that you wanted to find the whole numbers represented by each of the letters in the following addition problem: Which problem-solving strategy might be most helpful to you in solving this problem? (You need not ...
*Wednesday, January 20, 2010 at 5:02pm by kim*

**Physics Check**

In number 5 both bullets fall at the same rate. The horizontal problem has nothing to do with the vertical problem except that the time in the air is the same.
*Monday, July 12, 2010 at 2:31pm by Damon*

**dr wls - physics freak design problem**

wls, If you get a chance could you look at the "a bit challenging" problem down a little from here. I am not sure my idea is the best.
*Sunday, February 10, 2008 at 5:01pm by Damon*

**Accident Investigation: Law+Physics**

Thanks Ms. Sue!!! But for "inadequate brakes", is it supposed to be only the car's problem (brakes don't work properly), or can it the driver's problem (didn't react in time) too?
*Thursday, January 12, 2012 at 10:37pm by Cicilia*

**physics (it's rather urgent help is appreciated**

Even I wanted to know how to solve this problem. Can any one tell me how to solve the first problem of the exam? I got the answers of all problems except these 2.
*Saturday, October 5, 2013 at 5:01pm by Phy*

**Management Accounting**

well i try to solve this problem but it look so complicated I need to cash buget what's the problem? check the problem i don't get it check the problem i don't get it
*Wednesday, November 8, 2006 at 2:40pm by Erika Quezada*

**Physics**

Im sorry I am new to physics this is my first year and I still have no idea what to do for this problem. The other two that you answered I had them correct before you answered them and was using it as a check. When I reworked them your way, I got the same answer. However on ...
*Tuesday, July 13, 2010 at 5:54pm by Me*

**Physics Inertia : Merry-go-round**

The rev/min is not needed. here is the equation: momentofINertiatotal=momentinertiaMerryGoRound + momentinertiaKid. Then you add them. That is it. Now, if the problem goes on, you may need to find what the new angular speed is, but that is a different problem, you didn't ask ...
*Monday, April 19, 2010 at 11:08pm by bobpursley*

**Physics**

Elizabeth used correct logic and was able to do the problem "in her head" by reducing the problem to its essentials. Zero net torque requires equal and opposite torques on opposote sides. The reasoning of both is fundamentally the same.
*Monday, April 4, 2011 at 11:39pm by drwls*

**physics**

How fast WAS it rolling on the table before it fell off. I don't think the height of the table (1.5m) or distance from table (.8m) are relavent to the problem. Is this a trick problem???
*Tuesday, January 20, 2009 at 10:38pm by Bob*

**Algebra**

How do I work this problem, it is not a homework problem but a problem similar to a homework problem. I know i need to factor the left side of the problem. here is what I have so far.. x^2-2x+1=7 x^2-2x+1-7=7-7 x^2-2x-6=0 here is where I run into an issue, I can not seem to ...
*Wednesday, October 3, 2007 at 10:25pm by Becca*

**Algenra**

How do I work this problem, it is not a homework problem but a problem similar to a homework problem. I know i need to factor the left side of the problem. here is what I have so far.. x^2-2x+1=7 x^2-2x+1-7=7-7 x^2-2x-6=0 here is where I run into an issue, I can not seem to ...
*Wednesday, October 3, 2007 at 11:12pm by Becca*

**Statistics**

Problem 1 The null hypothesis is: The proportion of plants in Category A is expected to be 9/16; the difference in the sample is due to chance. Problem 2 The alternative hypothesis is: The model is good. Problem 4 The chi-square statistic is closest to 2.5 Problem 5 Degrees of...
*Saturday, August 17, 2013 at 8:39am by Anonymous*

**physics**

Anyone for this please? Problem 2: Displacement Current a) please? Problem: Open Switch on an RL Circuit b) and c) please?
*Tuesday, April 9, 2013 at 2:24pm by My*

**Quantum Physics**

Some ppl think there is a simple answer to the problem. To be honest I do not beleive it. For instance let m=1 and k=171. Why not? The original state was not defined in the problem, so it just might be that way. Will the "answer" work? I am sure it won't.
*Tuesday, April 16, 2013 at 12:32am by PhysTech*

**trig**

I'm trying to see if the teacher didn't give us the right problem or if I'm just not getting it. The problem is "re-write the expression without a fraction: 4/(1-sin x)". I can do it if the problem is sin squared x but I don't know how to solve the problem given. Pls help. thx
*Saturday, September 19, 2009 at 5:30pm by Priscilla*

**physics--please help**

Ah well I surrender ! I think the problem is English, not Physics.
*Sunday, April 1, 2012 at 5:28pm by Damon*

**Physics**

If a 20 kg object fell to the surface of the Earth from a height of 30m, what would its final velocity be? (work this problem from the energy standpoint.) Should you get the same answer as you did in question 3? how do you work out this problem?
*Sunday, September 23, 2007 at 9:23pm by amber*

**PHYSICS'S**

How much heat would it take to change 1.0kg of water at 20°C to steam at 110°C. I can't get the right answer that is 2.6×10^6J. Please tell me how can I solve this problem, I want to learn how to solve These problem plz help me.
*Sunday, March 31, 2013 at 6:28pm by Riana*

**physics**

notice that the rocket described in the problem is *not* under any gravitational interaction. So really the only problem with your equation is the "-g*burn time" part. the equation you want to solve is just v_f = -v_ex*ln(m_final/m_initial)
*Friday, December 6, 2013 at 4:18pm by Batman*

**Physics**

In 1989, Carl Lewis established a world record when he ran the 100 meter dash in 9.92 seconds. What was his average speed(in m/s) for the race? Remember to include your data, equation, and work when solving this problem. I am not sure how to do this problem. Please help!!
*Sunday, March 29, 2009 at 11:13pm by Jake*

**physics 2**

so can I not solve this problem? My instructor assigned this and didn't give any other information. Alse the same problem is in the textbook with the same amount of information. Is there possibly another way to do it?
*Thursday, February 4, 2010 at 2:37pm by Anonymous*

**physics**

Do the vertical problem. (Assume no vertical speed at start) How long to fall 6 m? 6 = (1/2) g t^2 and g = 9.8 t^2 = 6/4.9 t = 1.11 s now do the horizontal problem goes 1.11 s at 3.75 m/s so 4.15 meters
*Wednesday, December 14, 2011 at 6:43pm by Damon*

**Physics**

not sure what the force of tension is equal to in this problem
*Sunday, September 6, 2009 at 9:21am by Physics*

**physics**

Thanks, I am unsure of how to start the problem though.
*Sunday, October 25, 2009 at 6:07pm by physics student*

**Physics**

So answer = 4540! Yes physics 221 students, this answer was brought to you by my failure to complete Mastering Physics problem and ended up pressing the show answer button
*Tuesday, September 13, 2011 at 10:58pm by Kyle*

**math**

My son is doing expanded algorithm and the problem is 23 x17 the problem is there are cubes underneath the problem for him to fill in but ive tried every way I can think of to solve this problem and the answer just doesnt fit into these cubes, any suggestion?
*Friday, November 12, 2010 at 5:22pm by Sandy*

**Physics - HELP! PLEASE**

The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x I am having trouble ...
*Sunday, September 18, 2011 at 12:55pm by Linda*

**physics**

Problem 10: 3/4 Problem 11: a=3/5, b=8/10
*Tuesday, February 12, 2013 at 1:44pm by qwerty*

**Physics**

Hi again, Can anyone help me with the physics problem I posted earlier today (Sunday) at 3:47 p.m. I would really appreciate it!!Thanks!
*Monday, March 23, 2009 at 12:23am by Brigid*

**Physics**

I have a physics problem and it's below.
*Saturday, December 26, 2009 at 9:57am by Priscilla*

**physics**

ummmmmmmmmmmm who the heck are you??? im asking a simple physics question if you have a problem then you can take it somewhere else darling:)
*Sunday, September 11, 2011 at 3:32pm by brittany*

**physics**

Steve, you are an idiot. A physics problem and why would you assume he threw up. No answer is easy like that.
*Tuesday, September 27, 2011 at 7:32pm by John*

**Physics**

Hello bobpursley, can you get someone like yourself to help me with my physics problem which is posted right below this question
*Wednesday, November 13, 2013 at 9:35pm by Connor*

**Algebra **

This isn't a question. This is a statement, telling you why a solution to a word problem should be checked to the original wording of the problem versus the equation written for the problem. This is because the equation, derived from the wording of the problem, could be wrong.
*Wednesday, February 2, 2011 at 3:20pm by helper*

**physics**

Well, you did not say what the question is but you have two problems, a vertical problem and a horizontal problem The vertical problem is the ball falls 70 meters (I assume) in t seconds The horizontal problem is he ball proceeds at constant initial speed u for the same t ...
*Friday, February 4, 2011 at 4:37pm by Damon*

**physics**

No I havent thought of that. I know physics isnt just getting the answer my problem is figuring out WHAT to analyze on some of these problems.
*Wednesday, April 16, 2008 at 2:37pm by Anonymous*

**College Physics**

oh, I understand now why they used those numbers. thank you for all your input on this physics problem, i really appreciate it.
*Saturday, September 20, 2008 at 11:56pm by Jacqueline*

**physics**

What is the question? Please use readable symbols The subject is called physics, not physic. This is a conservation of momentum problem.
*Wednesday, October 26, 2011 at 3:06pm by drwls*

**physics**

The elevator is not accelerating. Therefore you and the ball can not feel how fast it is going. The problem is just the same as if you did the experiment on the ground. The 10 m/s is irrelevant and the 28 m above ground is irrelevant and the problem is h = 0 = 2 + 20 t - (1/2...
*Sunday, August 24, 2008 at 6:51pm by Damon*

**Physics**

His methods for finding the answer is correct. The only problem is that he uses 9.81 for acceleration by gravity and in this particular problem all dimensions are in ft. So use 32.2 ft/sec and you will find the right answer.
*Sunday, October 4, 2009 at 12:08am by Russell*

**math**

Your answer will be zero. When you have a negative number like that in the beginning, you can make the problem much simpler by changing it. To change the problem, circle each number with the sign directly in front of it. So in this problem, circle the "-2" and the "+2". Now, ...
*Wednesday, January 5, 2011 at 4:28pm by Jason*

**Physics Urgent!!!!! I really need help with this**

I dont see an error. The only other thing is the problem. You calculated the force between one large, and one small ball. I am still wondering if the problem wants the sum of both forces, but it is hardly clear.
*Monday, May 2, 2011 at 12:59pm by bobpursley*

**Physics**

Already asked and answered. Note (under related questions below) that this problem has been asked before with a 50 g spoon. Are you sure you copied the problem correctly? 5 g is much too low a mass for a coffee spoon
*Monday, January 31, 2011 at 2:38am by drwls*

**physics**

F1+F2+F3+F4+F5+F6 = 0 i57+40-i77-40+50*cos60+i50*sin60+F6=0 The student can finish this problem by using the same procedure as the previous problem.
*Tuesday, February 11, 2014 at 9:29am by Henry *

**problem solving**

You have a problem to solve. You may need to type the problem or question here.
*Tuesday, November 4, 2008 at 12:23pm by Ms. Sue*

**chemistry**

You can't do ANY of these? I see a systemic problem rather than a every now and then problem. What's the problem? Perhaps I can help you through it.
*Tuesday, November 30, 2010 at 12:03pm by DrBob222*

**Algebra 1B**

incomplete problem. are you sure you are not missing part of the problem? your problem cannot be solved as stated.
*Saturday, January 22, 2011 at 12:24am by helper*

**Math**

Could you help me with this problem? -2 5 Sorry couldn't type the problem correctly. The problem is 5 to the negative 2. I got 0.04 is the answer. Is this correct. Thank you.
*Tuesday, December 11, 2007 at 6:45pm by Plse Help*

**Calculus**

Given two problems: Problem A: Tau = Integral(0 to v) v/(q^2 - v^2) dv q = constant Problem B: Tau = Integral(V TO 0) v/(q^2 - v^2) dv q = constant Why is it that, SUBSTITUTION RULE is used in problem A, and QUOTIENT RULE is used in problem B? The two problems are somewhat ...
*Wednesday, December 19, 2007 at 11:08pm by Anthony*

**Physics**

Thanks a lot mouse, I could solve the pendulum problem. But, in the mass spring problem, I got x1=0.5714 , so mod(x2-x1) should also be equal to x1, correct? But when i typed in the value, it showed that x1 was correct but mod(x2-x1) was wrong :( Also, I had looked at the MIT ...
*Saturday, November 2, 2013 at 10:12am by Phy*

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