# Physics...NEED HELP

108,488 results

### physics

Daneil is bouncing on a trampoline. After a certain bounce he leaves the ground traveling at a speed of 2.54 m/s. How far into the air does he go? I need helllpppp I'm so bad a physics, I need to know what formula to use..

### physics

i need a topic for an eei (extended experimental investigation). i want a simple experiment that i can do. however, i need one that has a lot of physics behind it, and has a lot of information on the net about it. it can be on any topic within physics. if anyone has any great ...

### physics

i need 1 question each of this following straight ine motion, free falling body, projectile in the dimension and projectile in two dimension... i need it badly.. our prof need a good example of I

### physics

i need to investigate nichrome wire and a globe and i need to state which is an ohmic conductor. what will my method be??

### Movies and physics

Hello...I need to find a modern day movie that has at least three or more physics mistakes. I need to prove they are mistakes...as well, is Zeno's Paradox a credited/valid source to use to prove something such as the everlasting gobstopper, from Willy Wonka, is physically ...

### A physics problem

Hello...I need to find a modern day movie that has at least three or more physics mistakes. I need to prove they are mistakes...as well, is Zeno's Paradox a credited/valid source to use to prove something such as the everlasting gobstopper, from Willy Wonka, is physically ...

### physics

I need to make a holder for a raw egg out of straws so when it is dropped from 8 feet. it will not break I need design ideas.

### 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 ...

### Spelling

I need help with finding contractions. I need to find 3 will/shall contractions (I need 9 but I already have I'll, She'll, He'll, They'll You'll, We'll). Then I need 6 is/has contactions (I also need 9 and I have She's, He's, It's). Then I need 11 not contractions (I need 18 ...

### Need Help...physics

I don't appreciate you posting questions under multiple names. Stop it now. I cant get a grip on what you need if you pretend to be many students. I wont play that game, it is a waste of time.

### physics

100g water, need to raise solution of sodiun acetate 20 degrees. how much energy does it require and how much sodium acetate will you need? Enthalpy of crystallisation is -260kJ. How do I work it out?q= Cp n ∆T? Do you use the density of SA any where? it is 1.528g. I ...

### physics

Most sphygmomanometers use mercury. How tall would the manometer tube need to be if it were filled with water instead? It might need to measure a blood pressure as high as 300 mm Hg.

### physics

I need to figure out how to calculate the speed time and acceleration for a jetpack to lift a 75kg man from ground. I am not sure what equations I need to use. I realize that gravity has to come in to play but other than that I am lost.

### Physics help!

I need to know all of the equations for WORK problems (Physics). I'm not sure where to find them. if someone could help id appreciate it.

### physics

i need three different project topic in physics

### physics

i need three project topics in physics. Help please

### physics

what is the answer to the following 2 physics equations: a=(v, little f in right bottom corner -v little 0 in bottom right corner /t. I need it simplified to what t is and T^- 2n into the square root of L/g I need the equation simplified to get g

### Physics

A basketball player, standing near the basket to grab a rebound, jumps 73.6 cm vertically. How much time does the player spend in the bottom 15.4 cm of the jump? I've been told that I need to use the height of the jump to solve for V. Then I need to use that V in the equation...

### physics 10

Write 95.43×10^-4 in scientific notation. Since we need to have the decimal place so that there is only one number on the left I guess I do this: 9.543 And to get back to where I was I need to go -1 So would this be the right answer: 9.543×10^1 I'm confused may you please ...

### PHYSICS

Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with this. All I need is a formula, please. :)Thank you! Here it is: A skier with a mass of 60.0 kg pushes...

### Physics

How much heat does a freezer need to remove from 1kg of water at 40°C to make ice at 0°C? (You will need to use the specific heat of water to drop the temperature first, before trying to make the phase change!) Show your work. Please help! Also, this site isn't about giving ...

### physics

a kid goes down a slide, accelerating at 1 m/s^2 for 3 seconds. if he starts at rest, how long is the slide ? this is the equation i have but i need Xi which i have NO clue what it is .. Xf= Xi+ 0m/s(3s)+1/2 (1m/s^2)(3^2s) solving for Xf ... need Xi

### physics

You need to lift a 200 kg box 5 meters, but it is too heavy. You decide to push it up an incline that makes a 25 degree angle with the ground. With what force do you need to push the box?

### Physics

Hello! I live in Mexico, and I have a couple of questions I asked on Y answers, both English and Spanish, and have gotten no reply, and I need to turn this in for my bimonthly exam in physics this Monday. I need to calculate the volume and surface area of two of the pyramids ...

### Biology

I need to do a project on any one cell organelle and i have started on lysosomes. Its a powerpoint presentation and i need to present it tomorrow. In the procedure packet it says that we need to mention this-"a works cited slide" what does it mean??? what do i need to do? ...

### 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

I have a problem where I need the force exerted by an object onto a scale. The object weighs 22 lbs. What is the force? Do I need to multiply that by 32.2 ft/s^2? What are the US units for force and what is it in this situation?

### Physics

Sukey is riding her bicycle when she sees a fallen tree 42 m ahead. If the coefficient of friction is .36 and she is travelling at 50 km/ hr and she and the bike have a mass of 95 kg, how much stopping distance does she need. I got as far as her speed equals 13.9 m/sec. Do we ...

### Physics A level

PLease tell me all thew physics equations i need to know and memorise for my a level exams with their units

### science- physics helppppp ! i badly need one T___T

how is physics related to food technology and everything related to foods ?

### Physics

I need to make a mousetrap car for my physics class. I have to make it so that it can stop, but I won't know at what distance until the testing day. How should I do it?

### English

1. I need a solid T-shirt. 2. I need a plain T-shirt. 3. I need a solid-color T-shirt. 4. I need a self-color T-shirt. 5. I need a one-color T-shirt. 6. I need a unicolor T-shirt. ---------------------- Are they all the same in meaning? Which ones are commonly used?

### Physics

So... The task is to evaluate the design of three types of car tires, and explain how each type differs to maximize performance. Physics terminology is to be included in our report. -------- I just need a starting point. What types of tires do you recommend I research and what...

### Physics need work checked

Physics lenses. Please help, my math is wrong and I need second opinion.? Consider three lenses with focal lengths of 25.9 cm, -15.8 cm, and 10.0 cm positioned on the x axis at x1 = 0 m, x2 = 0.412 m, and x3 = 0.514 m, respectively. An object is at d = -121 cm. Find the ...

### Literature

i need help thinking of Criterion for my evaluative essay..i'm writing on a piece of literature..i need to write what criteria i'm going to use to evaluate the work.. i really need help with this..i need to come up with atleast 4 criterions and i'm stuck please give me some ...

### physics

An elevator is moving up with an acceleration of 3.36 m/s^2. What would be the apparent weight of a 64.2 kg man in the elevator? A)215.71 N B)413.45 N C)844.87 D)Need more information ok I got 847.44 but as you can see that's not an answer choice so my guess is D, need more ...

### physics

An elevator is moving up with an acceleration of 3.36 m/s^2. What would be the apparent weight of a 64.2 kg man in the elevator? A)215.71 N B)413.45 N C)844.87 D)Need more information ok I got 847.44 but as you can see that's not an answer choice so my guess is D, need more ...

### English

posted by rfvv yesterday at 10:38pm. owe [definition] -------------------------------------- The expressions are the definition of 'owe.' Which one is right, #2 or 1. to have to pay or repay 2. to feel the need to do or to give to 3. to feel the need to do or to give #3...

### physics

a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm. what is the density of the physics book if it weighs 17N? the acceleration of gravity is 9.81m/s^2. answer in units of kg/m^3 i know density=mass/volume but it says to answer in units of kg/m^3... ...

### Socials (URGENT)

Why did the canadian government feel the need to control the economy, transportation and trade after war was declared in 1914? Was this a genuine need? Explain. Hi, I need some help on the second half of the question. Was it a genuine need? I can't find the answer anywhere. ...

### College Physics

Calculate the rotational inertia of a meter stick, with mass 0.58 kg, about an axis perpendicular to the stick and located at the 43 cm mark. (Treat the stick as a thin rod.) I know I = (1/12)(M)(L^2) and then I need to use the parallel-axis theorem so I need to add Mh^2 but ...

### PHYSICS

There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time before that happens...

### PHYSICS

There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time before that happens...

### physics

HOW DO I DO THIS PLZ HELP I DON'T NEED U TO SOLVE I JUST NEED TO KNOW HOW Salmon often jump waterfalls to reach their breeding grounds. Starting 2.65 m from a waterfall 0.584 m in height, at what minimum speed must a salmon jumping at an angle of 25.2 ◦ leave the water ...

### physics urgent

I need help with this problem. I know the answer is (2.1630342940) but I have no idea how to get there. I know i need to sum the forces for each. Block m1( 6 kg ), lies on an incline plane with a coefficient of kinetic friction of 0.15. m1 is connected to mass m2 by a massless...

### Physics question - Damon please help!!

I am doing the monkey and hunter question, and I need to find out what the minimum speed the bullet has to be.. The variables I have are g, Vo, theta, Dx(horizontal distance from monkey), and Dy (vertical distance from monkey). I need to derive Vo in the form of (Dx/cos0)(sqrt...

### PROBLEM SOLVING IN MATHEMATICS

The Andersons are buying a new home. They need to fence the yard because they have a dog. The yard is 72 ft. by 120 ft. Each fencing section is 8 ft. How many sections will they need? How many posts will they need? (a post is needed at the end of each section). What else will ...

### Physics

Assume the Earth is a perfect sphere of radius 6,400 kilometers. Find the weight of a 75.0 kg person at the North pole. Find the weight of this same person at the equator. (You don't need to use Newton's Law of Gravitation but you do need to analyze the radial/centripetal force.)

### PHYSICS HELP !

when telling someone how to get to your house from campus, you need to a) give your direction of travel b) give your distance they need to travel c)give both directions and distance d) not enough information

### physics HELP !

when telling someone how to get to your house from campus, you need to a) give your direction of travel b) give your distance they need to travel c)give both directions and distance d) not enough information

### religions

i need to make a model of any famous mosque in the world first, i need help finding pictures of different mosques to see which one would be easy to work with (i need a nice picture, maybe 3D, so i can copy it and build my model according to it) second, i need ideas on how i ...

### Physic Worksheets?

Hi! I have a few tests coming up and I need some practice Physics worksheet/tests. I have already done the worksheets and previous tests, but I still need more practice. Does anyone know a site that I can get some practise problems? Doing a google search only leads to higher ...

### Deciding on a H.S. Science Course

I'm currently a sophomore, and I need to plan a science course for next year. Do you know if colleges require physics? Would a college prefer to see physics on my transcript in oppose to Environmental Sciences or Astronomy? Thanks!!

### algebra

I need help!!! 3/2,1/2, 1/6,1/8,... I need to determine if this sequence is arithmetic, geometric, or neither, then I need to find the ninth term

### algebra

I need help!!! 3/2,1/2, 1/6,1/8,... I need to determine if this sequence is arithmetic, geometric, or neither, then I need to find the ninth term

### college

I NEED A GUIDELINE ON HOW TO SET UP THIS COMPILE INVENTORY FOR POPULAR CULTURE THAT I COME IN CONTACT WITH I NEED TO DESCRIBE THE IMPACT THAT THESE ARTIFACT HAVE ON MY PERSONAL DESCISION MAKING I NEED TO IDENTIFY THE PATTERNS OR SIMILARITIES IN MY INVENTORY ALSO NEED TO ...

### Not understaning what I need to do

I am writing a paper of the Society of The India people and one of the questions I need to answer is A clear differentiation between race and ethnicity in India? I am not sure I understand what I need to write Can any one give a better understanding what I need or example

### history

The United States decided to help South Korea mainly because of which of the following? A need to create more equal trade A need to keep a military base in Asia*** A need to keep the Soviet Union out of Asia A need to protect the American economy

### Physics

A bungee jumper of mass 60 kg jumps from a bridge tied to an elastic rope which becomes taut after he falls 10 m. Consider the jumper when he has fallen another 10 m and is travelling at 15 m/s. Work out how much energy is stored in the rope. Take g=10 m/s^2 and ignore air ...

### French

Could you translate these phrases for me? I need a pencil and a piece of paper please. Do you need a book or a notebook? I have a dictionary but I need a calculator. Thank you!

### 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

A car is traveling at 60 mi/h down a highway. a)What magnitude of acceleration does it need to have to come to a complete stop in a distance of 200 ft? b)What acceleration does it need to stop in 200 ft if it is traveling at 110 mi/h ?

### English

posted by rfvv today at 8:58am. 1. You need not have done it. 2. You need have done it. -------------------------- Are they all grammatical? • Engish - Writeacher today at 9:05am 1 is okay, but 2 is not. 2 could be rephrased like this ~~> You need to have done it. 1 could...

### Math/Algebra

I need help in finding the roots of the polynomial 5x2-x.... What is the degree of -5a2b + 4a2 - 2b +5... I need to kown what the product of x+5 and 3x-2.... I need the solutions to these problems...thank You

### physics/calculus

I need help in calculating work. following quantites are given. * G: 6.67E-11 *Mass of earth:5.98E24 *mass of satelightt:80kg *x(initial) center of the earth-7E6 m *x(final) center of the earth 12E6 m How do I make integral equation I need use 20 interval.

### Physics

I don't necessarily need an answer here... just a step in the right direction. If you drive into a wall at 5 m/sec, rebound at 1 m/sec, and make contact with the wall for .15 sec, with what force did the wall exert on the car? (mass = 220 kg) I can't really put my finger on it...

### Civics

The United States decided to help South Korea mainly because of which of the following? A need to create more equal trade * This is the one i choose A need to keep a military base in Asia A need to keep the Soviet Union out of Asia A need to protect the American economy

### history

The United States decided to help South Korea mainly because of which of the following? A need to create more equal trade A need to keep a military base in Asia A need to keep the Soviet Union out of Asia A need to protect the American economy I think it is either B or C

### English

1. We need a house which we can live in. 2. We need a house we can live in. 3. We need a house to live in. 4. We need a house in which we can live. 5. We need a house in which to live. (Are they all grammatical? What about #3 and #5?) 6. We need a house to live. 7. We need a ...

### Physics

I need to determine maximum tension/down force with a pendulum. I need to use the lightest string possible to: -support a 16kg bob, with -a velocity of 4m/s -with a swing radius of 2m -at it's equilibrium (ie 0 degrees) -given standard gravity. using T=m(V^2/r)+(g*cos(x)) The ...

### Physics

Speedy Sue during is driving at 30.0m/s and enters a 1 lane tunnel. She then observes a slow moving van 155m ahead traveling at 5.0m/s. She applies the brakes but can only accelerate at -2.0m/s^2 b/c road is wet. a) will there be a collision? How do you know? b) If there is a ...

### english

I need help with some literature homework. I need a to identify a baptism scene that's modern. And also how they were affected by the change. Also, need a piece of literature that has reflects or alludes to Shapespeare. Also need an example of when weather has been important ...

### Physics

I need to solve this equation. 3E -9 N / 1.25 E -19 C I do not know what to do with the -9 and -19.

### physics

I have no idea I need help!!!!

### history

hi... i need to know what the name of the native people of ecuador are called...and i also need a brief summary about them.. i need websites..and some information that u might know.. please help (urgent)...

### Physics

I am having some trouble with some questions and need some help. A neutron with a mass of 1.68 x10(-27) exponent kg moves from a nuclear reactor with a velocity of 3.22 x10 (3) exponent m/s. What is the Broglie wavelength? Also, I need to write tge complete electron ...

### Physics

A gun is shot horizontally from a building that is 10 meters high at a velocity of 220 meters/ second: I need to know what Vx is and Vy along with answering Vx after 3 seconds Vy after 3 second. We were given these equations Vy= Vy0-9.8t y= y0+Vy0t-4.9t^2 x=Vxt ,but I'm still ...

### physics

i need to build a roller coaster, we can't use tubing to carry the ball so any ideas on what to use for the track? i was thinking no. 6 copper wire? i need to have 2 hills and a loop. how does this sound? 28" drop into a teardrop loop 12" high and back up hill #2 which will be...

### SCIENCE FOR 7TH GRADE

i need to conduct a scientific investigation and i need some ideas. Ex. " how does the amount of sunlight affect a plants growth" I need something like what is listed above. Thank you

### English (I really need help!)

I need one more haiku for my assignment(I have already created 4, I need 5) My brain has run out of ideas! It should be about "A Lost Love"

### physics

I also need help with 9.67nm=???km and 2.3X10 to the -4g=????ng

### Physics

I need help solving for q. Here is the formula. F=(k*q*2q)/r^2

### Physics

if it takes 726 watts of power to move a mass 36 meters in 14 seeconds, what is the mass? i really need like, step by step help please? asap. thanks, michelle . physics - bobpursley, Saturday, November 20, 2010 at 4:06pm power= work/time= mass*g*distance/time mass= power*time/...

### Physics - please, I really need help

a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but I'm not sure how to ...

### physics

A jumbo jet taxiing down the runway receives word that it must return to the gate to pick up an important passenger who was late to his connecting flight. The jet is traveling at 45.0 m/s when the pilot resieves the messae. What is the acceleration of the plane if it takes the...

### English/Social Studies

I'm writing an essay and need help coming up with economic reasons to to be against Caps on Punitive Damages. Google is not turning up what I need. I need how will implementing this program be bad economically?

### algebra 2

A. I need to write an equation to the linear equation..(-2,-2), (3,3). B. I need to graph the function of y=|x| on a coordinate plane. C. I need to give one similarity and one differnce for the equations and graphs in parts A and B. I really need your help on this i don't ...

### Math/Physics

I am given a damping constant of 20 dyne*sec/meter...do I need to convert this if the rest of my givens are, for mass = 2kg, k (spring constant) = 82 N/m. I am trying to find the equation of motion of a spring but cannot solve it until I know how to convert/if I need to ...

### Physics

I need a complete list all the doppler effect equations for a beginner physics class. Here is a sample questions so you know the level Question: Two trains on separate tracks move toward one another. Train #1 has a speed of 130 km/hr and train #2 a speed of 90km/hr. Train 2 ...

### Physics

Help Needed Please... After changing a tire on your car, you need to tighten one of the lug nuts to the proper specified torque of 49.0 N m. How much force is needed if you're pushing down on the end of the 39.0 cm long torque wrench at an angle of 120° with respect to the ...

### Physics

Help Needed Please... After changing a tire on your car, you need to tighten one of the lug nuts to the proper specified torque of 49.0 N m. How much force is needed if you're pushing down on the end of the 39.0 cm long torque wrench at an angle of 120° with respect to the ...

### Physics

I just need to clarify something in my mind- I look at a graph and the position changes from 3 to 8 over a ten second interval, to find total displacement, I just take 8-3 would equal 5 for total displacement, correct? I don't need to bother with the time interval, correct? ...

### Physics

The question is: A small block of ice at 0oC is subjected to 10 g of 100oC steam and melts completely. Show that the mass of the block of ice can be no more than 80 g. There were no equations in my chapter to use for this question except Q ~ change in T. I can't figure out how...

### 7th grade

i need help in social studies my finals are tomorrow and i need to know some answers such as how are native americans able to live successfully in any culture groups I NEED MY ANSWER ASAP PLEASEEEE

### physics

hi I need on the formula for average speed or rate thanks

### physics

why would you need to divide mass by gravity?

### PHYSICS

Why is there a need foe a scientist to know the limitations of Science?

### Math

Hey I need some help in 6th grade geometry. I need to find some random facts about the Metric system and the Coustomary system so that I can create a double bouble map on them. Not only did I need facts on them sepratley I also need facts on what they have in common.

### Physics

A projectile of mass 1.350 kg is shot straight up with an initial speed of 22.0 m/s. (a) How high would it go if there were no air friction? (b) If the projectile rises to a maximum height of only 17.8 m, determine the magnitude of the average force due to air resistance. I ...