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September 19, 2014

Search: physics - please hellp

Number of results: 98,519

Factorning exponets
How would you factor 5x +35x ?? My answer is 5x (x + 7) but its wrong..can somebody please hellp!!
March 28, 2009 by Brian

mathh hellp me please
write a algebraic expression representing 3 more than the quotient of 4 and a number,n
March 6, 2011 by alexis

child day care management
Q; Bruno has been asked to list all of the use for a paper clip.This is an example of A;convergent thinking B;scaffolding C;conservation D;divergent thinking My answer is D but it might be B pls hellp me scaffold- support system that supports children as they move from one ...
February 13, 2011 by alex

History Hellp Please
Why is the Spanish Civil war a forgatable war ? What was it ? Who was in it ? What are right and left wing ?
March 30, 2008 by AQA

MATH Please help me
Male: 60,63,65,70,66,80,85,73,79,80,83,85,81,76, 77,90,91,88,78,92 Females: 62,69,70,72,78,77,79,83,80,88,90,90,98,100, 66,67,65,63,69, 83 Can you hellp me I need to find: A) P value and the Z value of this data with a Alpha Value of 0.05.
May 4, 2011 by Tom

HELLP!!!
Greatest Common Factor of 15 and 21
January 14, 2009 by soukhya

child day care management
Q; children usually behave in acceptable ways when they A.know the rules B.fell good about themselves C.are scolded for misbehavior. D. like the caregiver my answer is D,i know A make a lot of sense,but is not A. please hellp tks
February 13, 2011 by alex

geo hellp!
where are most of australia's cities located?
November 2, 2008 by jazz

HELPPP!! math
HELLP!! Can someone help me solve for y in this equation.? -4/5 = (y-2) / (4- (-1))
June 8, 2011 by Chelsea

social studies
new ______ technologies hellp to protect the environment
September 16, 2007 by maggie

Reading (hellp!)
Can you give me a 6th grade sentence using the word calico,and a sentence using the word bravado please! ! !
November 21, 2011 by Laura

physics - please hellp
I need help with two questions: 1) An object can only have a charge that is an integral multiple of the charge on the ___. Am I correct with "electron" as the answer? or possibly elementary charge? 2) The difference in potential between any two points in a field is the ___ ...
April 19, 2011 by Sushmitha

ms .sue pls hellp
how does free radicals and anti oxidant work?connected to bromelain.
March 13, 2013 by ynah

MATH
0.001=10^___ 1 billion=10^___ 1/10 = 10^___ 13^5 in standard notation 10^9 in standard notation please hellp me answer tese questions
October 17, 2011 by maryam

child day care management,health,safety,and nutrit
Q; as a day care worker,you should be familiar with the development of children. Which one of the following items is a developmental achievement of a two-month-old infant? A.rolling from site to back B.eruption of teeth C. good control of head D.turning toward the source of ...
February 16, 2011 by alex

math
How many of the first 1001 Fibonacci numbers are divisible by 3? I know the correct answer is 250....... but i need solution of how it comes out to be 250........ kindly hellp me sooooooooooon
May 12, 2013 by jamesbond

math
Male: 60,63,65,70,66,80,85,73,79,80,83,85,81,76, 77,90,91,88,78,92 Females: 62,69,70,72,78,77,79,83,80,88,90,90,98,100, 66,67,65,63,69, 83 Can you hellp me I need to find: A) P value and the Z value of this data with a Alpha Value of 0.05.
May 4, 2011 by Tom

Math (stastiscs)
Male: 60,63,65,70,66,80,85,73,79,80,83,85,81,76, 77,90,91,88,78,92 Females: 62,69,70,72,78,77,79,83,80,88,90,90,98,100, 66,67,65,63,69, 83 Can you hellp me I need to find: A) P value and the Z value of this data with a Alpha Value of 0.05.
May 4, 2011 by Tom

child day care management,health,safety,and nutrit
Q; complete proteins can be found in A.beans,rice,and nuts B.only beef. C.citrus fruits and highly acidic vegetables D.meat,fish poultry,eggs,and dairy My answer is D but also can be A not shore,need hellp pls
February 16, 2011 by alex

History hellp pleasse
Hi please help with my question Even if you didn't mind the consequences , why would you still be very unwilling to speak out against hitler and the Nazi ? Please help That is obviously a personal opinion you need to decide on and then be able to explain. Consider this: If you...
March 10, 2007 by AQW

division
27 divided by 105 = ? You'll end up with a percent or a fraction, not a whole number. (Broken Link Removed) from http://www.aaamath.com/ 27/105=9/35 hellp me !
February 2, 2007 by Koco123

child day care management
Q; the best strategy for encouraging social competence with a group of school-age children is to A. reassure the students about positiv behavior B.punish students for antisocial behavior C. use external rewards D.modeling good social skills To me D make sense,but also can be C...
February 13, 2011 by Alex

child day care management,health,safety,and nutrit
Q; introducing organized sporttts among young children is not recommended because A.this excludes the teacher or caregiver from a role in play B.they lack the necessary physical maturation needded C.they should be making their own rules D.they lack the social interaction ...
February 24, 2011 by alex

math
Dan and Jana were assigned by their teacher to complete a chemical reaction 4 times in the last 12 minutes of lab time. What is the longest time that each reaction will take if the teacher gave them enough time? a.8 seconds b.3 minutes c.8 minutes d.3 minutes plz hellp urgent!!!
October 27, 2009 by uzair

child day care management
Q; Melissa plays with the same four girls every day. She has a lot of energy,is independent,and is concerned about what her friends think.Melissa kikes soccer and baseball and takes pleasure in beting up the boy's team. Melissa is most likely to be ____ years old. A.3-5 B.5-7 ...
February 13, 2011 by alex

Physics - Hellp Really Stuck!
1. A 0.20 kg object moves at a constant speed in a horizontal circular path of radius "r" while suspended from the top of a pole by a string of length 1.2 m. It makes an angle of 62 degrees with the horizontal. What is the speed of this object? 2. An object of mass 3 kg is ...
December 11, 2010 by Jennifer

chem
A certain first-order reaction has a rate constant of 2.75 10-2 s−1 at 20.C. What is the value of k at 50.C if Ea = 75.5 kJ/mol? i know to use the ln(k1/k2)= (ea/R)((1/T1)-(1/T2)) but how do i know what T2 is when i only have one temp? there is a b part to the question...
February 10, 2013 by Hannah

Math
okay so the equation is -4.9t^2 - 39.2t + 1.6 If the rockets explode at the highest point (which max height is 80 meters) One of the rockets is schedules to explode 2 minutes and 28 seconds into the program. When should the rocket be fired from the barge? (How long, from start...
February 26, 2012 by Marisol

Math
okay so the equation is -4.9t^2 - 39.2t + 1.6 If the rockets explode at the highest point (which max height is 80 meters) One of the rockets is schedules to explode 2 minutes and 28 seconds into the program. When should the rocket be fired from the barge? (How long, from start...
February 26, 2012 by Marisol

Physics;Help!!!!!!
There is apparently no one online who can help with physics questions right now. Please check back later to see if a physics teacher has addressed your question. Multiple posts won't get faster answers. Thanks. =) The question is in the first question marked physics beside ...
June 7, 2007 by Writeacher

algebra 2
Suppose that you have received an unexpected inheritance of $36,000. You have decided to invest the money by placing some of the money in stocks and some in bonds. To diversify, you decided that five times the amount in bonds should equal three times the amount invested in ...
March 12, 2008 by anthony

HELLP!! calculus
A piece of wire 25 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (a) How much of the wire should go to the square to maximize the total area enclosed by both figures? (b) how much of the wire should go to the square to ...
November 23, 2011 by Kay

Physics please please help me
Prove the law for triangle ABC i.e sin A/a=sinB/b=sinC/c Please help me!
November 16, 2011 by Meron

Physics-bobpursley please check
This is the question I posted about two hours ago and I worked it out two ways-could you scroll down and check it, please?If I have a roller coaster, and hill 1 height is 50cm and hill height 2 is 25 cm and the PE is .9 as it approaches the top of hill 2, how do I calculate ...
November 4, 2010 by Joey

physics please please please please please
a block of mass 2.50 kg rests on a ramp. if the coefficient of static friction between the block and ramp is 0.350, what maximum angle can the ramp make with the horizontal before the block starts to slip down?
February 15, 2011 by JayCee

Physics-Please check calculations
I posted this earler and you gave me help, could you please check what I did? Thank you If a car drives off a 40 m high cliff with a horizontal velocity of 15 m/s, how far from the base of the cliff will the car strike the ground? Could someone help with the equation, please ...
January 2, 2011 by JessieLynne

Physics-bobpursleyplease check
This is the question I posted about two hours ago and I worked it out two ways-could you scroll down and check it, please?If I have a roller coaster, and hill 1 height is 50cm and hill height 2 is 25 cm and the PE is .9 as it approaches the top of hill 2, how do I calculate ...
November 4, 2010 by Joey

Physics.
I posted at around 7:44 please help me, everytime I post, no one ever helps me, or it is too late...I only ever want physics help...so please, lend a helping brain! :) (Im not trying to come off mean, Im just frustrated beyond belief)
September 27, 2007 by Cooper

physics/medical physics
please assist me to get project topic under biophysics or application of physics in medecine
August 12, 2009 by mataos

physics
A 34 g glass thermometer reads 21.6C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you! ...
April 24, 2012 by Akbar

physics
A 34 g glass thermometer reads 21.6C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you! ...
April 25, 2012 by Akbar

Physics
Please help me with my physics homework I've been given a week and can't for the life of me work out how it is done. Tom has a rubber ball which weighs 5 kilograms and bounces 3.8 meters from a drop height of 4 meters using this information please work out the mass of the Sun.
July 6, 2012 by Jack

HELP! PHYSICS LABS!!
CAN someone please help me...I am so confused and I have little time left to do my assingment, please! I am freaking out! Please help me!! Can someone please explain why when the centripetal force increases, so does the radius, and why when Centripetal force increases, so does...
October 2, 2007 by Cooper-Nichol

REPOST
CAN someone please give me a good idea as how to find information for this problem: we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971 version...I need help trying to...
December 8, 2007 by Please McHelp me!

Physics
When James applied the brakes to his car, it slows unifromly from 15.0 m/s to 0.0 m/s in 2.50 s. How many meters before a stop sign must she apply her brakes in order to stop at the sign? Answers: 6.0m 37.5 m 18.8 m 48.0m Please help-I've just started Physics last week and I'm...
September 6, 2010 by Ian

physics
A 34 g glass thermometer reads 21.6C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you! ...
April 26, 2012 by Akbar

physics(please help! please)
*please help ily*. a fishing pole, 2m long, is pivoted at 50cm from one end. the other end has a line with a 4 kg fish on it. what is the effort force required to land the fish?
April 21, 2014 by please help

work (physics)
a 25 kg object is accelerating from rest to a distance of 6 m in 4 seconds across a level floor. The friction is 3.8 N - what is the total work........ i started off by trying to find fa but it seems to give me an absurd answer.. maybe if u could help me by telling me the ...
April 7, 2009 by marisa

Repost physics
PLEASE SOMEONE HELP ME!! I POSTED DOWN AT AROUND 10 something!! PLEASE!!! I NEED HELP!!!
September 30, 2007 by Cooper-Nichol

please
someone please help with the physics question i asked a little bit ago, i'm desperate
February 18, 2008 by Sarah

Physics Can someone please help thnks
reply to my post earlier julie thnk u please
February 16, 2012 by Julie

PHYSICS PLEASE HELP QUICKLY
Multiple choice please help :) Which of the following is equivalent to one ampere? 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s
May 8, 2014 by Hope

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...
February 27, 2007 by Mary

physics
(6.0 Gm)/(3.0 ksec) = ?m/sec Please help me and please show all steps in solution Thank you very much
June 2, 2011 by lou lou

Physics please help me!
Prove the law of sines for triangle ABC i.e sinA/a=sinB/b=sinC/c.0 please help me!!!
November 16, 2011 by Meron

physics EM please
please look at my earlier question below thank you
April 7, 2008 by Spencer

Social Studies
Please Help I know but please I'm the parent and my son tell me to check and i don't know 2 much please in your own words please :( :( :( :( please pretty please please please !!!! :( don't give give me links please in your own words please please :( !!!!! Identify two ...
April 6, 2013 by Alejandra

Physics *Electrical Scientist* please help me!!!
* JJ Thomson * a) How does his experiment of cathode ray tube relates to electrostatics? >> PLEASE HELP ME!! :( :)
April 20, 2013 by Isis

PLEASE
PLEASE SOMEONE RESPOND TO MY QUESTION: Physics (12)! THIS QUESTION IS DRIVING ME NUTS!!! I DID THIS 7 DIFFERENT WAYS!!! I AM SO LOST! PLEASE! I NEED THIS QUESTION FOR TOMORROW!!!! P.S. thanks so much....very much appreciated!
September 11, 2007 by Brooke

Physics Lab
Can someone please help me? I need some ideas, I am totally stuck...I posted as the same name as I am now! Please! thanks
September 14, 2007 by Meredith

Physics *Electrical Scientist* please help me!!!
* JJ Thompson * what was he credited for discovering the cathode ray tube? * How does his experiment relate to electrostatics? >>PLease help me!!!! :)
April 19, 2013 by Isis

Physics *Electrical Scientist* Please help me!!
* JJ Thompson * * what was he credited for discovering the cathode ray tube? * How does his experiment relate to electrostatics? >>PLease help me!!!! :)
April 20, 2013 by Isis

PHYSICS PLEASE HELP ASAP
When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried so many times i keep ...
March 27, 2013 by Laila

Physics
I have some physics problems that I would like to get checked please?
September 23, 2007 by Jesse

Physics
How long would it take a fighter jet to accelerate from 0 to 250m/s if the force from the engine was 180000N and the mass was 10000kg ? please help please
December 4, 2011 by Anonymous

physics to Elena please reply
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
April 25, 2012 by Romy

physics
i need three project topics in physics. Help please
May 12, 2012 by Joanna

physics
please answer ! how is physics related to food technology ?
June 5, 2012 by angelique

PHYSICS PLEASE SOMEONE HELP ME OUT
When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried so many times i keep ...
March 27, 2013 by Laila

Physics - please check over
Could I please get some further assistance on a question I posted earlier? I'm not getting the correct answer and I'm not sure what I'm doing wrong.
April 15, 2009 by Susan

Physics-Please help
Could someone remind me how to calculate this on the TI-84 Calculator: Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm inputting it and coming up with 5.55 E 21 It should come out to be 5.55 *10^-7 but I'm not doing the input correct Please help
February 8, 2011 by Leah

Physics
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and many more. I am not able to find the right experiment to demonstrate infront of my teacher.Please help me deal with this by providing information ...
January 25, 2012 by confused

Physics
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and many more. I am not able to find the right experiment to demonstrate infront of my teacher.Please help me deal with this by providing information ...
January 26, 2012 by confused

physics
please please help my other questions !!!:(
January 24, 2007 by Alex

Physics
Car A is moving at a constant speed of 10.0 m/s and passes Car B which is at rest. 10 seconds after, the latter follows with an acceleration of 0.5 m/s2. Determine the distance that the latter has to travel before it overtakes the former. does it require quadratic formula? Oh ...
August 12, 2012 by Anna

Physics
Please give me numerically answer of tata mcgrawhill book class 10 of physics electricity total unsolved
August 4, 2011 by Abhishek kumar sahi

physics
i have given an assignment by school to prapare a working model of physics. Please give me some tips.
July 20, 2012 by edward

physics please help!
Find the velocity (in m/s) of a free-falling object released from rest after it has fallen 100m. I don't understand the formulas to use or anything. please help.
September 16, 2008 by Gray

Physics Please HELP!!!!!!!!!
Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 30.4, and the charges on the two balls are equal, what is the ...
June 5, 2012 by T-HUD

Physics - Help!
All, Please just help me in this, I will need you to please give me the clue-thanks. a flashlamp bulb is marked '2.5V,0.30A' and has to be operated from a dry battery of e.m.f 3.0V for the current p.d. of 2.5V to be produced across it. Why?
April 18, 2007 by Sola

Physics-Please check
I posted this question this morning but I'm not sure of the response Damon provided. If you were in a rotor style ride and the riders accelerate until the speed of ride is reached- if the radius of the cylinder is 5.0m and the coefficient of friction between clothes and wall ...
December 7, 2010 by Joey

Physics please someone help me
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
April 26, 2012 by Romy

Physics Please COULD SOMEONE HELP ME ASAP PLZ
When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried so many times i keep ...
March 27, 2013 by Laila

Physics Need quick help please
Estimate the total binding energy for copper. 550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons. E= in Joules Please help me out I got 1st part I need the Energy in joules am confused please help me out...thanks Physics...
May 8, 2013 by Leila

physics
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
April 26, 2012 by Romy

physics
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
April 26, 2012 by Romy

Physics
Physics Question Help please!!!? A 3.70 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 17.0 cm. (a) Find the total mechanical energy of the system
April 23, 2011 by Anonymous

Physics - please, I really need this
Show mathematically that a diverging lens will alway produce an upright image. [i.e. prove that hi is positive if f is negative] I'm not even sure how to start this. Can someone please help me?
December 1, 2008 by Sara

Physics
Why is acceleration the same for all free-falling objects regardless of mass and distance? Please don't say according to this formula or something. could you please actually explain the theroy behind it.
April 2, 2009 by Lena

Physics and movies
we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971 version...I need help trying to prove that Violets becoming a blueberry is impossible and an error due to physics, ...
December 8, 2007 by Please McHelp me!

Physics please help.
At 265 K, the pressure of 0.0454 mol of an ideal gas is 1.42105 Pa. What volume does the gas occupy? Please help!
June 22, 2012 by Teresa

Physics
PLEASE HELP!! The x and y cooridinates of an object are given by x(t) = (10 m/s)t + (5 m/s2)t2 + (3 m/s3)t3 y(t) = (20 m/s)t - (10 m/s2)t2 + (2 m/s3)t3 where x and y are in meters and t is in seconds. What is the object's acceleration at t = 1 s? Please explain in detail how ...
September 14, 2010 by Indira

PHYSICS
A CAR ACCELERATES TO 36M/S FOR 4 SECS BEFORE DECELERATING TO 32M/S FOR THE NEXT 6 SECS. CALCULATE THE DISTANCE PLEASE PLEASE HELP
June 8, 2012 by fahd

Physics-please check-this can't be right
I asked about a golf ball hit at a 35 degree angle and the hole was 175 m away. What was speed of ball. I got a response, and it follows with my response. I'm not doing something right, can you help, please.Physics - drwls, Saturday, October 9, 2010 at 10:20am You can come up ...
October 9, 2010 by Anthony

Physics-Please check if I did this correctly
I posted this question this morning but I'm not sure of the response Damon provided. I did it once but then I updated it later in this at the bottom- please check booth of my answers. If you were in a rotor style ride and the riders accelerate until the speed of ride is ...
December 7, 2010 by Joey

physics
what is the perpendicular distance between two parellel rays emerging from a glass block called please give reply as tomorrow i have physics paper
September 9, 2014 by manavi

Physics-Please check answer
Damon helped me with this calc but I think the answer should be -20, not -22, could someone please check the calculation If a ball is thrown into the wall at 14 m/s and comes off at 6 m/s, what is change of velocity of the ball? I think it would be 14-6 = (-8 m/s) Is that ...
January 5, 2011 by Russ

physics
if a piece of aluminum with mass 3.99g and a temperature of 100C are dropped into 10cm^3 of water at 21C, what will be the final temperature of the system? The specific heat of aluminium is .900J/gC... ok so i know that i set both equal to each other, but i was wondering do i ...
April 22, 2009 by garrick

Physics, please help
Distruive interference? Unless you put C in the line between A and B, this the asnwer is at infinity. Now on the line between A and B, the distance from A to C has to be an odd multiple of halfwavelength greater than C to B. Now, the distance between the speakers is two ...
May 4, 2007 by Papito

physics
How far (in meters) above the earth's surface will the acceleration of gravity be 27.0 % of what it is on the surface? can someone please just give me an equation to figure this out please I am lost
March 13, 2012 by jessica

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