Monday
December 22, 2014

Search: A force of 5.0 is required to stretch a certain spring by 1.2 .How far must this spring be stretched for its potential energy to be 0.015 ?

Number of results: 46,767

AP Chem
When dealing with gasses, do you subtract the pressure of water vapor every time it is in the equation? I'm confused on when you subtract it. Such as this problem... NH4NO2(s) -> 2H2O(g) + N2(g) How many grams of ammonium nitrate must have reacted if 3.75 dm^3 of nitrogen ...
November 19, 2008 by Anna

Physics
A governor (centrifugal pendulum) consists of two 200g spheres attached by light, rigid 10.0cm rods to a vertical rotating axle. The rods are hinged so that the spheres swing out from the axle as they rotate with it. However, when the angle θ is 45.0, the spheres ...
February 23, 2014 by Chrxeyshthoufov

Physics
A rocket ascends from rest in a uniform gravitational field by ejecting exhaust with constant speed u. Assume that the rate at which mass is expelled is given by dm/dt=mk, where m is the instantaneous mass of the rocket and k is a cosntant, and that the rocket is retarded by ...
October 25, 2012 by Jake

Physics
A pulley with a rotational interia of 4.4*10^-3 kg m^2 about its axle and a radius of 6 cm is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F=0.32t + 0.27t^2 where F is in newtons if t is given in seconds. The pulley is initially at...
November 16, 2009 by Rachel

Physics
{ The subscripts are in curly brackets } A mass m is at rest on a horizontal frictionless surface at t=0. Then a constant force F{0} acts on it for a time t{0}. Suddenly, the force doubles to 2F{0} and remains constant until t=2t{0}. Determine the total distance D traveled ...
September 16, 2010 by Phil

Physics
Three masses, M1= 4.1 kg, M2= 4.1 kg, and M3= 6.7 kg are made of the same material. They are on a horizontal surface and connected by massless strings. The system accelerates to the right at 2.47 m/s2 due to an external force F pulling on M3. Given that T1 is 20.22 N, ...
February 17, 2011 by Sarah

Physics
the 7kg brick described as (horizontal force of 42N, frictional force of 18 N)is now dropped off a cliff. At one point during the drop the friction due to air resistance has a strength of 14N. what is the acceleration of the brick at this time
July 23, 2012 by Anonymous

nqwiliso s.s.s.
three forces act on a body.forceof 30N and 25N act to east and a force of 40N acts to the west.draw a fully labelled scale vector diagram to find the magnitude and direction resultant force use 1 mm : 1N.
November 6, 2014 by sigwetsha liveni

Financing and Budget
In preparing a budget for a day care center, you must plan for taxes. As an employer, you must pay part of each employee's---- tax. A.Social Security B.federal income C. state income D. local My answer is A.Can someone check this answer for me.
March 7, 2009 by Cynthia

Religion
Debate topic: "Virtue is only beneficial to the one being virtuous." Me and my group members are on the Affirmative side, therefore must agree that this resolution is true and must stand. I've done some brainstorming with my group and researched online about virtue, but I feel...
January 21, 2013 by Myu

Engligh 101
I need help analzying this quote. The fantastic. . . lasts only as long as a certain hesitation. . . [in deciding] whether or not what they [the reader and the protagonist] perceive derives from reality as it exists in the common opinion. . . If he [the reader] decides that ...
December 4, 2010 by Michelle

unsolved mysteries astrophysics
Q3.2 COLLAPSE TIMESCALE (5 points possible) Imagine that you live in a distant galaxy far far away. This galaxy is in a different universe, and so may have different cosmology. It seems that in this distant universe, all galaxies have the same luminosity, which you have worked...
April 15, 2014 by JuanPro

Physics - KE/Inertia
The rigid body shown in Figure 10-66 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm)consists of three particles ...
March 26, 2007 by COFFEE

Physıcs
Formula force calculatıng force
February 2, 2014 by Murtala

science
The words in the bank are air resistance,time, zero, inertia, mass, direction, friction, rolling friction, and less. See if I did them right and if I didn't write anything on the blank, I need help with it. THANKS!!!!!!!!!!!!!!!! 10. Speed can be determined if you know ...
February 27, 2012 by Gabby ( 5 grade)

Chemistry
Compounds like CCL2F2 are known as chloroflourocarbons, or CFCs. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporization of CCl2F2 is 289J/g. What mass of ...
December 14, 2006 by Jenn

Math
The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT DEPARTMENT 1 A=1 B=1 C...
July 10, 2011 by Anonymous

math
The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT DEPARTMENT 1 A=1 B=1 C...
July 11, 2011 by kim

strayer university
The Lo Company earned $ 2.60 per share and paid a dividend of $ 1.30 per share in the year just ended. Earnings and dividends per share are expected to grow at a rate of 5 percent per year in the future. Determine the value of the stock: A. if the required rate of return is 12...
February 13, 2014 by john

Physics
When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 75 kg man just before contact with the ground has a speed of 6.1 m/s. (a) In a stiff-legged ...
January 12, 2012 by Alexis

PHYSICS
#1.) If the force of gravity on a human is 539 N determine the mass of the human. #2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N...
February 3, 2013 by AMANDAAA

Economics
1. Suppose that the money supply is currently $500 billion and Fed wishes to increase it by $100 billion. Given a reserve ratio of 0.25 what should it do? 2. Determine the impact on each of the following if 2 million formerly unemployed workers decide to return to school full ...
December 7, 2008 by woedred

Immigration
Should applications from certain countries be given priority?
September 6, 2007 by Anonymous

geography
Is there a certain rhyme out there to help study state capitals?
January 24, 2008 by BB

Physics
Does the uncertainty principle tell us that we can never know anything for certain?
April 2, 2008 by Jake

Integration
How should i integrate (4cos^2 - 1)? Do I use a certain formula??
September 26, 2009 by Marrion

physics
why fans are placed at certain height below celing?
February 17, 2010 by karthika

ETH
Should applications from certain countries be given priority?
March 30, 2011 by =)

social studies
how do you find out what century a certain year is in?
August 17, 2011 by aleesia

english
i need to find variations of certain words. what does this mean?
September 10, 2011 by kaycie

Algebra 2
How would I find the interest rate of a certain amount?
October 1, 2011 by Anonymous

science
what are the number of digits in a measurement that are known with a certain degree of reliability?
September 10, 2012 by Chris

math
at what rate of interest a certain sum will be doubled in 8 year?
April 5, 2013 by vaidehi

college statistics
the average length of time required for students to complete a test in a an introductory statistics course is found to be 50 minutes with a standard deviation of 12 minutes. if students are allowed 80 minutes to complete the test , approximately what percentage of the students...
November 6, 2014 by Chelsea

Geometry
Which of the following is true if a pentagon tessellates a plane? a. A pentagon never tessellates a plane b. All of its sides must be the same length c. It must be a regular pentagon d. It has one pair of parallel slides
February 7, 2010 by cindy

Physics
Pam, wearing a rocket pack, stands on frictionless ice. She has a mass of 44 kg. The rocket supplies a constant force for 22.0 m, and Pam acquires a speed of 62.5 m/s. Assume that air resistance is negligible. (a) What is the magnitude of the force?
February 18, 2010 by Dar

physics
a passenger at an airport pulls a rolling suitcase by its handle. If the force used is 10N and the handle makes an angle of 25 degrees to the horizontal, what is the work done by the pulling force while the passenger walks 200m?
January 6, 2011 by mandy

Physics
Find the initial accerleration of a rocket if the sstronauts on board experience eight times their normal weight during an initial vertical ascent. (Hint: In this exercise, the scale force is replaced by the normal force.)
November 7, 2011 by GY

physics
A wagon is used to help deliver papers. There is a force applied at an angle of 25 degrees to the horizontal that causes the wagon to move a distance of 15m[N] in 10.0s from rest. There is a force of friction of 3.1 N acting on the 27kg wagon. What is the acceleration of the ...
April 9, 2012 by Melissa

physics
a car of mass 3000kg moving at 20m/s is suddenly brought to a stop when a deer crosses the road. if a braking force of 300,000 is needed to bring the car to a stop, what was the duration of the force?
April 24, 2012 by mark

PRE-CALC HELP
1) Two boats leave the same port at the same time. One travels at a speed of 27 mi/h in the direction N 50 E and the other travels at a speed of 22 mi/h in a direction S 70 E (see the figure). How far apart are the two boats after one hour? (Round your answer to the nearest ...
November 8, 2013 by JOHN

Character Analysis
Well, I looked all over the internet and I can't find a single decent website where I can watch this movie. I guess I'll just have to depend on memory so my lists wont' be as specific as it should be...: -The changes start to take place in the beginning, when Landon first ...
February 20, 2011 by y912f

CHEMISTRY
Suppose that 30.0 mL of 0.20 M C6H5COO(aq) is titrated with 0.30 M KOH(aq). a) What is the initial pH of the 0.20 M C6H5COOH(aq)? b) What is the pH after the addition of 15.0 mL of 0.30 M KOH(aq)? c) What volume of 0.30 M KOH(aq) is required to reach halfway to the ...
September 29, 2011 by Sarah

Physics
Two horizontal forces act on a 2.4 kg chopping block that can slide over a frictionless kitchen counter, which lies in an xy plane. One force is F1 = (3.4 N) i + (3.7 N) j. Find the acceleration of the chopping block in unit-vector notation for each of the following second ...
February 3, 2007 by COFFEE

Health-Ms. Sue
Coach Downey had his team practice bunting while working on basic fundamentals. Nearly all of the bunts were reaching the fielders so quickly that the base runners were easily thrown out before they could advance. Coach Downey emphasized better bunting fundamentals by having ...
January 17, 2014 by Anonymous

chemistry(check my answer)
sorry i forgot add the question The freezing point of a solution is A. lower than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstructon by solute particles.. B. higher than the ...
April 2, 2010 by phys

Physics
I have no idea on how to do either part of these questions please help (part 1 of 2) To move a refrigerator of mass 110 kg into a house, a mover puts it on a dolly and covers the steps leading into the house with a wooden plank acting as a ramp. The plank is 8.8 m long and ...
November 15, 2008 by NIQUEFROMDALLAS

Science
The bottled water industry has become an enormous, multi-billion dollar a year industry.there are some negative impacts of bottled water idustry on enviroment.many of these bottles are recycled by conscientious consumers, most are not, and are ending up in increasingly over-...
March 9, 2010 by anu

Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...
October 31, 2013 by Anonymous

MATH- please help!
The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT DEPARTMENT 1 A=1 B=1 C...
July 11, 2011 by kIM

Chemistry (PLEASE HELP ME)
1. According to the phase diagram for water, how is the state of water determined? a. proceed up a vertical line at any given temperature b. read the phase at the intersection of any given temperature and pressure c. at a given pressure, proceed horizontally to the S-L or L-G...
October 13, 2011 by Angel

physics
A flea pulls on a puck with force 8 microN at an angle of 75. Another flea pulls on the puck with force 2 microN at an angle of -45. (See diagram for angle scale.) Draw vectors on the diagram to scale representing the forces. Carefully add the vectors tip-to-tail. (Use a ...
May 19, 2010 by jon smith

Economics
Write the equation of exchange. Define each variable in the equation and then explain why the left side of the equation must equal the right. MV=PQ Take a shot, what does it mean an why must the left = the right.
July 13, 2006 by Tony

math,
4) Jennifer wants to buy a bicycle that costs $310.00. Her parents say Jennifer must raise 30% of the money herself. How much money must Jennifer raise? Answer Please !!!
November 30, 2012 by !!PLEASE ANSWER!!!

Data manegment
From 7 candidates of which 4 are males and 3 are females,how many ways can the positions of president,vice-president and Treasurer be filled if the president must be female and the other two positions must be males.
March 8, 2014 by Nisarg

Chem
What would a titration curve look like for 25 mL of 0.400 M NH3 (aq) with 0.200 M HCl (aq) -find initial pH -find 1/2 equivalence point pH and volume of HCl required to reach this point -find equivalence point pH and volume required to reach this point -find pH at some volume ...
July 18, 2011 by Sharon

Physics
1) a car moving at 50km/h crashes Into the barrier and stops in 0.25 m a) if a 10kg child were to be stopped in the same time , what is the average force must be exerted ? c)approximately what is the mass of an object whose weight equals to the force in Part b?Could you lift ...
April 13, 2013 by Malak

Physics
The force exerted by the wind on a sailboat is approximately perpendicular to the sail and proportional to the component of the wind velocity perpendicular to the sail. For the 792-kg sailboat shown in the figure below, the force exerted by the wind on the sailboat is Fsail = ...
March 4, 2012 by Anonymous

college chemistry
Suppose you have a 0.200 M solution of the nitrogen-containing weak base NX. Suppose you wish to titrate 25 mL of this 0.200 M NX solution with a 0.100 M solution of the strong acid HNO3. Given that the Kb value of NX is 6.50x10-5, complete each of the following: a) What ...
April 21, 2010 by Aubree

Calculus
Let f be a twice-differentiable function such that f(2)=5 and f(5)=2. Let g be the function given by g(x)= f(f(x)). (a) Explain why there must be a value c for 2 < c < 5 such that f'(c) = -1. (b) Show that g' (2) = g' (5). Use this result to explain why there must be a ...
February 7, 2011 by Leanna

physics
Three charges are fixed in the x−y plane as follows: 1.7nC at the origin (0, 0); 2.3nC at (0.60m , 0); 2.0nC at (0, 1.20m ). Find the force acting on the negative charge. Express your answer using two significant figures. Enter the x and y components of the force ...
January 27, 2014 by James

Physics
Use principles of force and kinematics to answer these: a. A 40 kg skater pushes on the 60 kg skater (initially at rest). As they collide, the 40 kg skater pushes on the 60 kg skater, applying a force 100 Newtons for 1.2 seconds. Find the velocity at which each of them ends up...
November 1, 2010 by jen

physics
Use principles of force and kinematics to answer these: a. A 40 kg skater pushes on the 60 kg skater (initially at rest). As they collide, the 40 kg skater pushes on the 60 kg skater, applying a force 100 Newtons for 1.2 seconds. Find the velocity at which each of them ends up...
November 1, 2010 by jen

Physics
High-speed motion pictures (3500frames/second) of a jumping 280g flea yielded the data to plot the flea's acceleration as a function of time as shown in the figure (Figure 1). This flea was about 2 mm long and jumped at a nearly vertical takeoff angle. Find the initial net ...
October 10, 2013 by Jordan

Physics
Starting from rest Maria pulls horizontally on her new wagon for 1.1 seconds. She exerts a constant force of 89N against a frictional force of 43N. The wagon's final velocity is 3.2m/s. If she is on a level ground, how much does the wagon weigh?
January 26, 2010 by help

Physics
To move a large crate across a rough floor, you push on it with a force at an angle of 21 below the horizontal, as shown in the figure. Find the acceleration of the crate if the applied force is 400 , the mass of the crate is 32 and the coefficient of kinetic friction is 0.31.
March 6, 2011 by Randy

science
a man pushes a lawnmower of mass 50kg at a constant velocity over a horizontal lawn.he exerts a push of 200n on the handle a t angle of 60 to the horizontal..Dertemime the vertical componet of this force and determine the horizontal component of this force
March 6, 2013 by fulufhelo

physics
A constant force of 900 N pushes a 100 kg mass up the inclined plane shown above at a uniform speed of 5 m/s. ( hight= 1m) The power developed by the 900 N force is most nearly: 400 W 800 W 900 W 1000 W 4500 W
February 4, 2014 by ashley

Government
I'm writing an essay on the Supreme Court case of Rostker vs. Goldberg(1981) I have to describe the case, talk about if I agree or diagree with the outcome and explain why or why not.I'm not very good at writing introductions but could any critique me on what I have so far for...
June 30, 2007 by Jaden

chemistry
Concentrated nitric acid is 16M. What volume of nitric acid must be diluted must with distilled water to prepare 5L of 0.1M nitric acid?
March 19, 2011 by please help

stats help please
Suppose that one of every 100 people ina certain community is infected with HIV. You want to identify an HIV-positive person ina study of an experimental new drug. How many individuals would you expect to have to interview in order to find the first person who is HIV-positive...
January 23, 2007 by david

physics parallel plate
A proton traveling at a speed 1.0*106 m/s of enters the gap between the plates of a 2.0-cm-wide parallel-plate capacitor. The surface charge densities on the plates are 1*10^-6 C/m2. How far has the proton been deflected when it reaches the far edge of the capacitor? Assume ...
August 17, 2009 by Anonymous

MATH-PLEASE HELPPP!!!!
The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT DEPARTMENT 1 A=1 B=1 C...
July 11, 2011 by kIM

Biology
Suppose that a repressor regulated the expression of the galA gene. Which of the parenthesis would be correct? (((supposing hypothetical bacterium gene: "galA" encodes an enzyme that is required for cells to digest the sugar galactose/and/ "argB" encodes an enzyme that is ...
August 9, 2014 by Janice

Literature
A play is not finished in the same way that a poem or a novel is because a. it must have a definite beginning, middle, and end b. it has to be beautifully written c. after it is written, it still needs to be brought to life on stage d. after it is written, the playwright must ...
January 31, 2009 by y912f

PHYSICS
Leg traction is applied to a patient's leg as shown in the figure below. If the physician has requested a 33 N force to be applied to the leg, and the angle is θ = 60 degrees. what mass m must be used for the object hanging from the massless cable? Image of traction: ...
October 14, 2010 by Nikita

statistics
You have hired a polling organization to take a simple random sample from a box of 200,000 tickets and estimate the percentage of 1s in the box. Unknown to them, the box contains 50% 0s and 50% 1s. How far off should you expect them to be if they draw 50,000 tickets? Answer a...
August 7, 2011 by Anonymous

math
inventory puposes, a manufacturing company assigns a 3 charcter code to each differnt item produced. the first character of the code must be aleter from the 26 letter english alphabet. the second and third characters must each be a digit from 0-9. how many 3 digit character ...
March 26, 2012 by sb

Physics
Two identical violin strings, when i tune and stretched with the same tension, have a fundamental frequency of 440Hz. One of the strings is retuned by adjusting the tension. When both strings are pluckes simultaneously, after one has been retuned, 1.5 beats per second are ...
March 29, 2008 by Amanda

MATH
A wire is stretched from the ground to the top of an antenna tower. The wire is 20 feet long. The height of the tower is 4 feet greater than the distance from the tower's base to the end of the wire.Find the height of the tower. 20^2=H^2 + (H-4)^2 solve for h 400=2H^2 - 8H +16...
September 27, 2008 by jennifer

Physics
Can you please provide me a starting point for these two questions Question One: Three charges are located on the +x axis as follows: q1 = +26 C at x = 0 m, q2 = +13 C at x = +2.0 m, and q3 = +42 C at x = +3.5 m. (a) Find the electrostatic force (magnitude and direction) ...
August 30, 2007 by Jim

challenging math problems! :]
1. a total of 120 numbers can be formed using all 5 digits 1, 2, 3, 4, and 5. If these numbers are arranged in increasing order 12 345, 12 453, up to 54, 321, which one is the 75th number in this order? *can someone tell me how to do this problem???^) 2. Jane cycles to work ...
December 14, 2006 by gary

physics
As Newton showed, gravity is a force that acts along the line separating two bodies and causes the two bodies to be attracted to each other (i.e. it is a central force). In this problem, assume that the planetary orbits about the Sun are circular. a. Does the force of gravity ...
October 24, 2010 by zeph

Physics
The wheels, axle, and handles of a wheelbarrow weigh W = 65 N. The load chamber and its contents weigh WL = 538 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the mans hands apply a force to the handles ...
December 1, 2014 by Jenna

physic
Block _____ Name ________________________________________ Date __________ Average Speed 1. In the 2008 Summer Olympics, Usain Bolt won the 100-m race in 9.69 s. What was his average speed? 2. Light from the sun reaches Earth in 8.3 min. The speed of light is 3.0108 m/s. How ...
November 3, 2011 by Anonymous

Science
List: Three characteristics of friction force and surface type. Three characteristics of friction force and mass. Three characteristics of friction force and surface area.
October 30, 2013 by Marisol

english
Write a short analysis of the use of researching in your future industry V how do they gather or use research ie: types of projects, proposals, etcK There are no souls who never do research, because without research they cant gain knowledge. Research can be described in ...
January 30, 2010 by help!

physics..
im not completely sure im right with this question a lawn spreader is pushed across a lawn by applying a force of 95N along the handle that makes an angle 60 degrees with the horizontal. a- what is the horiz. and vert. comp. of the force. b- when the handle is lowered to 30 ...
January 17, 2008 by hi,

macroeconomics
(1) Population: 250,000 Unemployed: 20,000 Labor Force Participation Rate: 80% (a) How many people are in the labor force? (b) What is the unemployment rate? (2) Not in the labor force: 125,000 Unemployed: 25,000 Employed: 100,000 What is the unemployment rate?
June 29, 2009 by Mac

English 1
In "A Cub Pilot" the author says: "Judgement is a matter of brains, and a man must start with a good stock of that article, or he will never succeed as a pilot." Which of the following best restates the author's idea? A: Riverboat pilots must have good judgement. B: Success as...
September 12, 2014 by Skye

Chemis
Of the floowing compound, which would you exoect to have the lowest vapor pressure at room temperature: CHCl3 CH2Cl2 CH3Cl CCl4 From my result I think it is CH3cl beacuse of the dispersion force it has the lowest force
June 11, 2007 by Avi

Kinematics. Newtons Laws
Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.
October 6, 2009 by Natasha

physics
A force of magnitude 25Nis directed at an angle of 37 deg above the horizontal moves a 10 Kg block along a horizontal surface at a constant velocity .How much work is done by this force in moaing the block a distance of 15m?
July 16, 2010 by john

Physics
Four uniform spheres, with masses mA = 37 kg, mB = 30 kg, mC = 220 kg, and mD = 55 kg, have (x, y) coordinates of (0, 50 cm), (0, 0), (-77 cm, 0), and (44 cm, 0), respectively. Find the net force on sphere B due to the other spheres. What are the (a)x and (b)y components of ...
January 2, 2011 by Becky

College Physics - Acceleration
A 1470-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16070 N on the sub, as well as a downward resistive force of 1050 N. What is the submarine's acceleration?
March 14, 2012 by Anonymous

PHYSICS!
A horizontal force of 10 N is applied to the outer edge of a door at an angle of 32 to the door, as shown in a view from the top looking down. The width of the door is 0.80 m. The magnitude of the torque of this force on the door with respect to the hinge is most nearly 2.4 N...
June 9, 2012 by Spencer

physics
Two pellets, each with a charge of 1.0 microcoulomb (1.010−6 ), are located 4.0 (4.010−2 ) apart.A)find the electric force between them B)What would be the mass of an object that would experience this same force in Earth's gravitational field?
August 6, 2012 by julie

phy
force in the x-direction with magnitude Fx=18N-(0.530N/m)x is applied to a 5.50 box that is sitting on the horizontal, frictionless surface of a frozen lake. is the only horizontal force on the box. what is the speed after 12m. starting from rest and x=0
October 9, 2012 by lvf

science
A point object is acted upon by forces of 4N, 5N and 6N is in equilibrium. IF=f the 6N force is removed, what is the resultant force on the object now? I really want to know how tow find relationship between 3 forces, and is there anything to do with cos rule??? HELPPPPP-.-
October 11, 2012 by liam

physical science
Two force vector,a and b act on an object in the x direction and b acts on a y direction. Use words and diagram to explain how you can find the resultant force acting on the object by using the tail-to-head method
February 11, 2014 by ncumisA

Pages: <<Prev | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | Next>>

Search
Members