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physics - please hellp

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math hellp me please
write a algebraic expression representing 3 more than the quotient of 4 and a number,n

Factorning exponets
How would you factor 5x¯¾ +35x¼ ?? My answer is 5x¼ (x¯¹ + 7) but its wrong..can somebody please hellp!!

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 ...

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 ?

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.

HELLP!!!
Greatest Common Factor of 15 and 21

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

geo hellp!
where are most of australia's cities located?

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

Calculus
Hellp I have a calculus test on Monday 2. Calculate the slope of the tangent to the given function at the given point or value of x a. f(x)=3/x+1,P(2,1) b.h(x)=2/squareroot x + 5, P(4,2/3) ****Full solutions to please because I do not know what I'm doing and so confused with ...

social studies
new ______ technologies hellp to protect the environment

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

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 ___ ...

ms .sue pls hellp
how does free radicals and anti oxidant work?connected to bromelain.

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

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 ...

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

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.

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.

math please hellp
The cost in dollars of producing x units of a particular camera is C(x) = x^2 - 10000. (10 points) Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 101. Include units in your answer. Find the instantaneous rate of ...

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

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...

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 !

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...

Plz Hellp
Wanda took out a personal loan for $16,000 at 9% simple interest. How much interest will she pay after 5 years? Suppose she pays off the loan in 3 years instead of 5 years. How much money will she save in interest?

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 ...

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!!!

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 ...

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 ...

SS PLEEESSEE HELLP
Why are banks important to producers? (1 point) Bank loans allow more people to buy products and homes. Savings accounts allow a way to make interest off profits. Checking accounts give a way to take payments from customers. Credit cards give producers low-interest loans of ...

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 ...

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...

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...

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 ...

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 ...

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 ...

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

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?

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 ...

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 ...

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 ...

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)

physics/medical physics
please assist me to get project topic under biophysics or application of physics in medecine

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

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

physics
Guys help with my physics please!!! Four 40-gram weights are suspended at the 13-cm 21-cm 35-cm and 74-cm marks of a uniform meter stick.if the stick is supported at the mid point what load must be suspended at the 82 cm mark to attain equilibrium please explain to me how

science
Could someone who goes to connexus academy Please please please give me the answers to Human Impact on the Environment Unit Test pretty please im stressed out and im backed up.please please help i will repay you! please!!!! and please may they be the CORRECT answer. Thank you ...

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.

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...

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...

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...

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

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?

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 ...

Repost physics
PLEASE SOMEONE HELP ME!! I POSTED DOWN AT AROUND 10 something!! PLEASE!!! I NEED HELP!!!

please
someone please help with the physics question i asked a little bit ago, i'm desperate

Physics Can someone please help thnks
reply to my post earlier julie thnk u please

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

Physics
what are the factors that does not affect the time period of pendulum ?? Please help me in monday there is my exam please help me:-(

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...

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

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

physics EM please
please look at my earlier question below thank you

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

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!

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

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!!!! :)

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!!!! :)

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 ...

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

Physics
I have some physics problems that I would like to get checked please?

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 ...

physics
i need three project topics in physics. Help please

physics
please answer ! how is physics related to food technology ?

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.

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

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 ...

physics
please please help my other questions !!!:(

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 ...

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 ...

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 ...

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.

Physics
Please give me numerically answer of tata mcgrawhill book class 10 of physics electricity total unsolved

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

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 è = 30.4°, and the charges on the two balls are equal, what is the ...

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?

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 ...

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 ...

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 ...

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 ...

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 ...

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

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?

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.

physics please help
On the surface of a planet an object is thrown vertically upward with an initial speed of 60 m/s. use a conservation of energy approach to determine the object's speed when the object is at a quarter of it's maximum height. (assume the planet has no atmosphere) PLEASE HELP. I ...

Physics please help.
At 265 K, the pressure of 0.0454 mol of an ideal gas is 1.42×105 Pa. What volume does the gas occupy? Please help!

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, ...

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 ...

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

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 ...

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