April 17, 2014

Search: physics: BOB or DRWLS follow up question

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physics: BOB or DRWLS follow up question
Sure. a= averageforce/m Then solve for average force. Same equation.
Wednesday, November 21, 2007 at 8:40pm by bobpursley

physics: BOB or DRWLS follow up question
What average force is required to stop an 1100-kg car in 8.0 s if it is traveling at 95 km/h? i understand what you both did, but why can't you use the V = Vo + at equation and solve for acceleration there and use that in the EF = ma equation?
Wednesday, November 21, 2007 at 8:40pm by beckii

college math
Lourane, If you have follow-up questions, please post a follow-up to the original question so that readers can follow the whole story. If there is no response to the follow-up after a day or so, you can make a new post to refer to the original question. A response to this ...
Friday, June 1, 2012 at 11:48pm by MathMate

follow up(for Count Iblis)
i have a follow up question for a previous post How do you know 2B is (20 "+" B) and not (2 "x" B) _______________________________________ to me this question does not make sense... it comes from a review packet for the SAT _______________________________________ Q: If 299 is ...
Friday, August 31, 2007 at 9:23pm by manny

Your original question asked for the expression, not the solution. Sonya has X dollars. Bob has 3X - 14.62. You cannot solve for X, or how much Bob actually has, without more information. They didn't ask you how much Bob has.
Wednesday, January 13, 2010 at 11:47pm by drwls

calculus-follow up for damon
thank you so much or your help! as a follow up question, for acceleration of the two runners, is acceleration the anti derivative of velocity???
Saturday, November 22, 2008 at 4:57pm by Kenneth

If you have follow up questions please a. post to my attention AND THIS IS IMPORTANT b. Copy the problem and answers followed by your follow up question; otherwise, this post can get lost in the shuffle and I'll not be able to find it.
Friday, October 11, 2013 at 10:58pm by DrBob222

Dr.Bob => nylon question posted again.since nxt pg
Okay now I've basically given up on this.(I have to go do physics now) The last thing I found is this: I looked up "making plastic at home" I came up with: Making Polystyrene by using acetone and styrofoam and allowing the styrofoam to be dissolved by the acetone. Then the ...
Monday, February 18, 2008 at 11:06am by ~christina~

What do you mean by "completes motion along a vertical line" ? Does the bob go straight up and stop?
Wednesday, April 11, 2012 at 9:17am by drwls

The wording of the question leaves it open to two interpretation. Is the total swing 30º or is the swing from the vertical 30º ? bob took the second interpretation, why don't you try 45cos15º and then follow the other steps of bob's answer ?
Wednesday, March 5, 2008 at 8:32am by Reiny

Pre-Calc (Follow-up with Bob Pursley)
yes, use 300,000 as P(o) and t as 15
Sunday, January 10, 2010 at 8:19pm by bobpursley

Forgot to put my question at the end of it XD This is from me trying to interpret what you've done in the previous times this question has been asked, but obviously, I'm wrong somewhere. At what point in the work am I messing up?
Sunday, October 3, 2010 at 3:57pm by Bob

PHY: To AJAYB, follow up on previous response
First, I'd like to thank you for your response to my question. However, I had some follow up questions on your response from Saturday, July 28, 2012 at 8:27am. If you could take a look at that post and get back to me, it would be greatly appreciated.
Sunday, July 29, 2012 at 12:21am by Dan

Both of your answers are wrong. In sentence 2, follow-up is used as a noun. The right answer is not shown. In sentence 4, follow up is used as a verb. "follow up (verb) follow-up (noun) follow-up (adjective)"
Tuesday, February 14, 2012 at 5:18pm by Ms. Sue

Bob Pursley
Bob: Thank you for answering my Chemistry question. I apologize that it was on there twice. I accidentally posted again the same question instead of a different question. You answered the first question with precision. Thank you
Sunday, October 9, 2011 at 1:53pm by Mom

The actual value of g on Earth is 9.8 m/s^2, which is what BobPursley assumed. I have no idea you were asked to assume g = 15 m/s^2. Your follow-up question should have been posted separately. Use a = dV/dt = dV/ds * ds/dt = V* dV/ds
Wednesday, July 20, 2011 at 8:30pm by drwls

You did not follow Bob's suggestion. You should be multiplying sqrt5 - sqrt3 by sqrt5 + sqrt3 in the denominator. Your answer will still have "a lot of digits" if done in decimal form because there will be a radical in the numerator. You should not be using a calculator for ...
Sunday, May 31, 2009 at 7:31pm by drwls

Dr.Bob, this is regarding to the enthalpy posts.... I don't understand why you just switch it to negative??How do you know that it is neg???? I thought it started out neg though the problem does not give the number.... I am sorry,but I am a very slow learner...thank you for ...
Friday, November 15, 2013 at 12:45am by Anonymous

1. What evidence did ancient Greek astronomers have that Earth does NOT move? The answer is because of the lack of parallax, but then there's a follow-up question... 2. How do we knoew it DOES?
Sunday, May 3, 2009 at 10:26pm by Sally

11th grade physics
Jessica -- I never took physics, but I do understand Bob's answers (questions) to your question. Of course there's physics in football. Think about Bob's questions to you -- and then write your paper. There comes a time when you need to stop procrastinating and go with the ...
Sunday, October 5, 2008 at 8:34pm by Ms. Sue

Follow the steps in the example I gave you. Your follow up just repeats the question. We help you do your homework but we don't do it for you. If you have questions about the steps I shall be happy to explain further if you will make it clear as to what you don't understand.
Wednesday, September 28, 2011 at 2:04pm by DrBob222

follow up(for Count Iblis)
From the original question (not posted here) it was clear that 2B means 20 + B here, because B was referred to aa a digit. Also, as drwls pointed out, the question doesn't make sense if 2B is interpreted as 2*B As I replied below, from the fact that 23 is a divisor, you can ...
Friday, August 31, 2007 at 9:23pm by Count Iblis

Yea I could have used the help on this question instead of answering a question with a question. I needed to know the set up, clearly I'm not entirely sure. I see you do this on a few posts Dr. Bob
Saturday, February 4, 2012 at 9:26pm by John

physics: drwls
That is the answer I came up with yesterday. As I said before, they may want you to multiply contact area by gauge pressure instead of absolute pressure, as I did. I don't agree with that method. If you do it that way, you get 1.8^10^4 N for the car's weight. I cannot be of ...
Tuesday, July 22, 2008 at 10:55pm by drwls

physics - HELP ASAP!
Read my first answer. Bob Pursley gave you the link to it. You were not asked to compute an acceleration. You only asked a one part question
Saturday, November 7, 2009 at 6:11pm by drwls

Physics Please help!
What speed dimensions are supposed to follow the number V = 19? If the acceleration cannot exceed a = 2.7 m/s^2, the time to acclerate to velocity V must be greater than V/a. You do not need to know the coefficient of friction to answer this question. They threw it in to ...
Thursday, January 5, 2012 at 12:33am by drwls

1.“Follow-up” or “followup” can be a noun or an adjective. A) True B) False I answered A 2. Select the 2 correctly punctuated sentences: A) His followup appointment is in 2 weeks. B) His follow up appointment is in 2 weeks. C) His follow-up appointment is in 2 weeks. I answered B
Wednesday, November 28, 2012 at 3:37pm by Marie

follow up to psychology answer
Please go back and read Bob's answer again. He gave you such a big hint that it should be hitting you in the face.
Wednesday, November 19, 2008 at 8:17pm by Ms. Sue

to bobpursley
My classmates friends want me to post their questions as well.Thats why there are multiple names is there a problem. Yes. You are posting duplicate or even triplicate questions. That is silly. If we have answered one, the answers to the others follow. People here are ...
Friday, November 3, 2006 at 7:36pm by minemine

Grammar and hyphens
Select the sentence which is correctly punctuated. A) He will follow-up in 4 weeks. B) He will follow up in 4 weeks. My answer is B
Wednesday, October 31, 2012 at 1:43pm by Marie

The problem is not with you, it is with the course you are taking. Whoever is responsible for the question or the course content should not be teaching. You cannot come up with numbers to physics questions without numerical inputs
Monday, September 13, 2010 at 11:18pm by drwls

Dr Bob 222
I love you Dr Bob, you are great. I didn't realise how much it was getting me down. Don't like to give up on something, my text books don't make it very easy to follow through a problem. Understand it perfectly now, I feel so much better now. Thank you very much. One more ...
Monday, February 19, 2007 at 6:57pm by SOS mature student

Study guide question...please help Bob attends a party. a few hours before the party, Bob ate beans and cabbage. His best friend made a funny joke and Bob finds it funny and his abdominal muscles begin to contract forcefully as he laughs. Physiologically, what happens next to ...
Sunday, December 10, 2006 at 8:19pm by csumicro

follow up question
please see above thanks
Friday, August 31, 2007 at 1:22pm by manny

Physics based Calculus
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that the fastest he can ...
Thursday, September 27, 2012 at 2:39pm by Brianna

Using the definition of recovery provided in W1: Assignment 5, determine how many participants recovered at the end of posttreatment and use a chi-square analysis to compare recovery rates across the three treatments at both posttreatment and follow-up. CBT Post treatment ...
Thursday, December 1, 2011 at 8:56pm by kim

Select the correctly punctuated sentence: A) He will follow up in 2 weeks. B) He will followup in 2 weeks. C) He will follow-up in 2 weeks. Answer A
Tuesday, November 27, 2012 at 10:33pm by Marie

Bob sets two alarm clocks (battery-powered) to be sure he arises for his Monday 8:00 A.M. accounting exam. There is a 75 percent chance that either clock will wake Bob. (a) What is the probability that Bob will oversleep? (b) If Bob had three clocks, would he have a 99 percent...
Sunday, January 8, 2012 at 10:12am by James

Hmmmm...I Need My Answer Soon D:
No, it is not correct. I suggest you stick to the same post for the same question, because what you post will be read by other students and other teachers. It will be hard to follow the thread if you split the questions in three or four posts. Again, Dr. Bob has spent time ...
Wednesday, September 16, 2009 at 11:12pm by MathMate

Bob Pursley answered this question for someone. Just scroll through the science, physics, and chemistry questions until you find it (it will show Bob Pursley as answering it).
Sunday, September 7, 2008 at 4:14pm by DrBob222

This is a duplicate post of a question I have already answered. I left the final steps up to you.
Wednesday, February 3, 2010 at 9:28am by drwls

We had a few teachers who are "up", but you should have listed your question and subject. It is late night in the USA. Help will be on the way in a few hours, if you post your question.
Friday, January 29, 2010 at 2:41am by drwls

What numbers are supposed to follow the words "at" ?
Wednesday, January 27, 2010 at 9:41pm by drwls

Hyphens are so confusing, so I'm asking for a little help. 2. Select the sentence which is correctly punctuated. A) He came in for his follow up. B) He came in for his followup. My answer: B 4. Select the sentence which is correctly punctuated. A) He will follow-up in 4 weeks...
Tuesday, February 14, 2012 at 5:18pm by Jenny

DrBob222 please check
DrBob222 please check my physics question posted at 8:55pm. The subject is drwl please check. I am not getting a response from drwl. Thanks! Mary DrWLS is not on right now. My physics is too poor to trust my answers. Bob Pursley is smarter than I am; he does physics, math, and...
Tuesday, February 27, 2007 at 9:24pm by Mary

A weight suspended from a spring is seen to bob up and down over a distance of 37 cm twice each second. What is frequency in units of Hz? What is the period in units of s.? What is the amplitude in units of cm?
Monday, February 9, 2009 at 9:47pm by Bob

This is a follow up on my other question: I need help on Mitosis, and cell reproduction.
Friday, October 1, 2010 at 11:27pm by Lina

chem-follow up question to previous post
how do you calculate the molar mass?
Wednesday, October 6, 2010 at 6:17pm by sara

Follow the instructiuons given in my previous answer
Thursday, April 23, 2009 at 11:22pm by drwls

When a question says "of the following", something is supposed to follow. Don't post multiple choice questions without the choices.
Wednesday, April 6, 2011 at 5:53am by drwls

Look. Just follow the instructions. You posted a question, I gave you the answer, now you're making up your own answer. I have copied my instructions below. Follow them. mass water = 9.10-5.41 = ??. Then %H2O = (mass H2O/mass sample)*100 = ?
Sunday, November 28, 2010 at 8:10pm by DrBob222

drwls & Damon - maths
hey guys, i follow you up to the point of intergrating the final line. How would I intergrate [x^-2.e^-x] dx thx
Saturday, December 29, 2007 at 9:45pm by xX_Supaman_Xx

English Paper 11th Grade
Opening with a question caught my attention, but if this question is the thesis of your essay I suggest that you open with some sort of an example, like an anecdote. Then follow up by stating your thesis.
Monday, April 21, 2008 at 11:09pm by Krystle

Chemistry (Analytical) followup
Thanks DrBob for answering the question! I was assuming it was something similar to that, but my confusion is that a follow up question is asking what happens to the dissolved Ca2+ if the pH is reduced to 2, so the pH has some effect, but I don't know what.
Saturday, February 8, 2014 at 3:41pm by Nathan Berry

soo for physics, we did a lab where we launched a cart on a track on the floor and recorded time, distance, etc. to figure out things. one of the questions on the lab is: can you think of a simple follow-up experiment that would allow you to determine how much the cart's ...
Tuesday, October 6, 2009 at 10:21pm by student

College Physics
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that the fastest he can ...
Sunday, September 18, 2011 at 12:00am by Nikki

I don't see anything moving. Is a list supposed to follow that?
Wednesday, December 15, 2010 at 1:23am by drwls

B) The center of mass will follow a smooth parabolic trajectory
Thursday, March 1, 2012 at 11:27am by drwls

Atomic physics
Thanks drwls & Bob Pursley for your gerat help.
Monday, April 14, 2008 at 10:59pm by Sandhya

Atomic physics
Thanks drwls & Bob Pursley for your great help.
Monday, April 14, 2008 at 10:59pm by Sandhya

Thanks Bob. I put the 2 pi in the wrong place.
Friday, December 24, 2010 at 10:37am by drwls

chemistry urgent
You need to learn to do these so I don't intend to do this for you. However, if you follow the steps in the link I gave you (or if you follow Bob Pursley's instructions) you should get where you want to go. Post any steps you don't understand with your work. We can help you ...
Tuesday, November 30, 2010 at 4:33pm by DrBob222

The displacement is the distance between where he started and where he ended up. Note the words "back to" in the question. The answer should be obvious
Tuesday, June 14, 2011 at 12:33pm by drwls

To Hilda
If you have a question please go to the top of the page, click on Post a new Question, and post your question. If you want to follow up on this attempt at a question, please be advised that you have not provided enough information. We have no idea how much of the reagents were...
Tuesday, November 30, 2010 at 1:14pm by DrBob222

chem-follow up question to previous post
Add the atomic masses from the periodic table.
Wednesday, October 6, 2010 at 6:17pm by DrBob222

Bob was given and exercise prescription for 3-5 METS for his home exercise program. He is currently walking, and at the fitness center using a treadmill, walking 3.2 mph up a3% incline. Bob weighs 70kg. is Bob exercising in his prescribed zone?
Monday, November 22, 2010 at 9:34am by kaden

Physics car is typo? What is "top" ? , what chain? me!
how far do you lift the bob, up to horizontal? up to top ?
Sunday, February 3, 2013 at 4:30pm by Damon

I have a follow-up to my question at 4:10 about work because I still can't figure it out. F-F(friction)=ma F-F(friction)=2*3 F-2.5=2*3 F=2*3 + 2.5 W=Fd W=(2*3 + 2.5)4 Distributing the "4" I get W=2*3*4 +2.5*4 Please help in pointing out where I have gone wrong. Thanks
Monday, April 6, 2009 at 6:32pm by KC

Easy Math for you Hard for Me
There is more than one answer to this. If there are two people, Bob would get every odd-numbered piece, and 13 in all. If there are 12 children, Bob will get the first, thirteenth and 25th. If there are 8 children, Bob will get the 1st, 9th, 17th and 25th. If there are 24 ...
Thursday, September 6, 2007 at 5:47pm by drwls

where was this question?
Monday, June 20, 2011 at 9:04pm by Bob

Wednesday, May 25, 2011 at 2:49pm by Bob

Joy, up at the top of the page click on "post a new question". If you post it under another one the teachers will likely miss it. Bob will not answer your question unless you try first and show exactly what your difficulty is.
Thursday, January 8, 2009 at 8:26am by Damon

Hahaha! Oh Steve you crack me up with all that verbage and question asking. Anyways the question said to find a14, NOT a11. a14 = 15/199. So out of the wordy answer choices Paige gave, the answers C.
Tuesday, February 26, 2013 at 1:22pm by Bob

AP Chemistry
I just finished answering your follow up question below. See the original post.
Sunday, April 3, 2011 at 4:43pm by DrBob222

For Mathguru_ from statistic question on Tuesday April 10, 2007 follow up question- what if I wasn't given the standard deviation either- how would I solve this problem Other tutors can help, but without the previous information, it is impossible to help you. Please repost ...
Wednesday, April 11, 2007 at 10:26am by Angel

Quantum Physics
Alice and Bob share a state a| + +> + b |- -> , where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit to end up in the state a |0> + b |1>, ...
Tuesday, March 12, 2013 at 4:23pm by JAY

Dr BOB 222
Thanque mr bob for answering my question.......
Thursday, June 19, 2008 at 1:56pm by PULKIT

Quantum Physics
Alice and Bob share a state a| + +> + b |- -> , where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit to end up in the state a |0> + b |1>, ...
Tuesday, March 12, 2013 at 4:23pm by JAY

medical billing and coding from Penn Foster
Yes, you can change either one to fit the guidelines you want to follow. Just be consistent!! Both should follow APA guidelines ... or both should follow MLA guidelines. But you don't want them to be mixed up.
Friday, June 26, 2009 at 8:07am by Writeacher

AlgebrAlgebra-Mathmate or BobPursley or Reiny
I had asked a question earlier and bob pursley nicely answered it but I do have a question concerning it still- perhaps someone could clarify it- f(x) = logx is a logarthmic function. Bob Pursley said it could be because the base is implied but my question is the way it is ...
Tuesday, December 14, 2010 at 3:15pm by Anna

That should be obvious from a reading.. particularly the last two lines. "..and I took the one less travelled by, and that has made all the difference." Don't always follow the crowd. Follow your instincts and be willing to be different.
Tuesday, March 6, 2012 at 4:41pm by drwls

Physics - Question
thanks bob!
Wednesday, February 22, 2012 at 8:34am by Raf

6th grade Math
I don't get this question, can someone please explain it, thanks. Heres the question: A lighthouse beacon can be seen 24 mi in all directions. What is the area over which the beacon can be seen? - I think it's circumfrence, but I don't really know what to do. Thanks, Bob.
Monday, March 2, 2009 at 10:30pm by Bob

10th grade Algebra
Do you mean the original question should have been to factor 6(ab)^2-(q-r)^2 ? That is the difference of two squares. Follow the appropriate procedure.
Friday, January 2, 2009 at 11:18am by drwls

Yes, it is correct. Thanks for showing your work! I wish more students would follow your example.
Friday, November 19, 2010 at 7:35pm by drwls

Physics (my last problem)
A) Use conservation of linear momentum along the left-right axis. B) You know the masses and velocities. Compute the KEs and add them up C) Add them up again, once you know the velocity of the 3/4 kg object after collision D) (B) - (C) Computing the answer is as easy as typing...
Monday, December 19, 2011 at 10:18pm by drwls

electric engineering - bobpursley
Hi bob: I have a follow up question fo my previous post under heading electrical engineering If you could help me that would be great! :-) see the other post which briefly explains the drawings here:
Tuesday, August 21, 2007 at 7:35pm by manny

thanks Bob. Can you please help me with question A as well?
Saturday, January 2, 2010 at 3:09pm by Sarah N H

Gen Chem II
Thanks for the information Dr. Bob. Would you be able to work it out so that I can actually see the steps with the numbers and follow from there. The question was on Vitamin K from Sunday at 2:44pm which you answered at 3:45pm. Thanks again. I am looking to get a tutor since I...
Monday, February 11, 2013 at 5:28pm by Nefret

What pressure, where? The ambient pressure can be anything. No object will travel perfectly horizontal. It will follow a parabolic path. bar/psi is not a unit of pressure. It is two units, written weirdly. 1 bar = 14.7 psi If this is an assigned homework question, you must ...
Friday, January 13, 2012 at 3:53pm by drwls

Thanks Mr. drwls for your input, but I do not follow the above notation. is * multiplication? forgive my ignorance...:(
Wednesday, March 9, 2011 at 2:16am by DMITRIC

yes the bob goes straight up and stops
Wednesday, April 11, 2012 at 9:17am by srikala

I am pretty Bob meant to write time = charge/current (10 C)/(0.1 C/s) = ? seconds
Saturday, January 3, 2009 at 8:15pm by drwls

Use trigonometry to calculate the vertical rise of the bob, H. The maximum potential energy is M g H
Monday, August 30, 2010 at 10:42am by drwls

Bob Pursley is away for the Thanksgiving holiday. I will try to find your questions.
Monday, November 22, 2010 at 8:19pm by drwls

It is aready set up. Square 5.82 and 5.74 The answer can be written as the mean of the two numbers and a +/- term 33.41 +/- 0.46 Where is the physics in this question?
Friday, February 4, 2011 at 12:45am by drwls

Tarzan wights 820N, swings from a cliff at the end of a 20m vine that hangs from a high tree limb and initially makes an angle of 22 degrees with the vertical. Immediately after Tarzan steps off the cliff the tension in the cine is 760N. Choose a coordinate system for which ...
Tuesday, November 21, 2006 at 4:50pm by Bri

For the straight-up case, the ball must have travelled 25 m up and back down. A ball thrown at 40 m/s with no friction would have risen H = V^2/(2g) = 81.6 m There is no way the height of a baseball thrown up in air will be reduced from 81.6 m to 25 m by friction. This is a ...
Tuesday, November 30, 2010 at 12:19am by drwls

Math -- 6th Grade
I should not be using algebra for a sixth grade question. It's really the quickest way I know. I hope you were able to follow that.
Tuesday, December 8, 2009 at 4:58pm by drwls

The pendulum bobs in the figure are made of soft clay so that they stick together after impact. The mass of bob B is 14 times that of bob A. Bob B is initially at rest. If bob A is released from a height h above its lowest point, what is the maximum height attained by bobs A ...
Saturday, March 17, 2012 at 4:55pm by Angelina

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