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January 30, 2015

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: 47,234

Physics Help Please!!!! Urgent!!
In an experiment, a boar (2600 kg) slows down from 11 m/s to 8 m/s in 5 sec when the engine is stopped. a) Determine the drag force. b) Using this information, what is a good approximation of the forward thrust force needed to keep the boat cruising at a constant speed of 9 to...
October 15, 2014 by Jesicca

phyzzzics
I NEED ANSWERS AND HOW YOU GOT IT~!! 3. If you use a horizontal force of 30.0 N to slide a 12.0-kg wooden crate across a floor at a constant velocity, what is the coefficient of kinetic friction between the crate and the floor? 4. A force of 4.0N is large enough to overcome ...
December 6, 2009 by johnica!

risk management
You are the risk manager of an energy producing company. Your firm explores for and extracts crude oil. Your firm regularly produces approximately 50,000 barrels of oil monthly. You watch the energy markets closely and determine in early May 2011 that the current market price ...
May 25, 2011 by kamran

MATH
1) The distance between Chicago and Cleveland is 354 miles. If a person leaves Chicago at 9:50 am. Central Time and arrives in Cleveland at 5:30 pm the same day Eastern Time, at what average speed does he travel, correct to the nearest mile a) 46 mph b) 50 mph c) 53 mph d) 55 ...
July 22, 2014 by Apples

Physics
A crate with a mass of 110 kg glides through a space station with a speed of 2 m/s. An astronaut speeds it up by pushing on it from behind with a force of 240 N, continually pushing with this force through a distance of 4 m. The astronaut moves around to the front of the crate...
November 18, 2012 by Emily Tran

physics
A crate with a mass of 110 kg glides through a space station with a speed of 2 m/s. An astronaut speeds it up by pushing on it from behind with a force of 240 N, continually pushing with this force through a distance of 4 m. The astronaut moves around to the front of the crate...
November 18, 2012 by Emily Tran

physics
A 450 g block is at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.670, and the coefficient of kinetic friction is 0.380. A force of magnitude P pushes the block forward and downward as shown in the figure below. Assume ...
October 17, 2011 by carlton

Math
Which of these situations can you represent with the inequality X < and = 49? 1. You must be no more than 49 inches tall to go on this ride. 2. A loaf of bread must be baked for at least 49 minutes. 3. You have no more than 49 minutes left on a parking meter. 4. The bill at...
November 18, 2014 by Olivia

Physics
someone please answer these Physics Q answers no explanation 1 What is the opposite force to gravity 2 an example of a contact force 3 an example of a non-contact force 4 What effect does ‘mass’ have on inertia 5 two examples of forces that could slow an object down 6 two ...
November 5, 2014 by Ashlee

history
in 1954, the Supreme Court ruled in Brown v. Board of Education that a. bus segregation was unconstitutional b. the federal government must increase financial aid to education c. separate but equal policy was wrong d. the government must provide loans to low-income college ...
March 31, 2009 by history

physics- drbob can u plz help me???
VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2-kg mass. What is the acceleration of the masS? 3. It takes a force of 50N to give a...
December 13, 2006 by Nicola

physics
1. If our sun shrank in size to become a black hole, using the gravitational force equation, explain why the Earth's orbit would not be affected. 2. Strictly speaking, you weigh a tiny bit less when you are in the lobby of a massive skyscraper than you do at home. Why is this ...
July 13, 2010 by confused

us history
ALL the following accurately characterize the advantages of the North and South EXCEPT: a. The Union had far greater industrial capacity, more railroads and more ships. b. The South had far more usable food supplies than did the Union. c. The Union had four times more white ...
December 7, 2013 by jay

Physics - Charges at an angle (check + help)
Three charged objects are located t the vertices of a right triangle. Charge A (5*10^-6) has Cartesian coordinates (0,4; Charge B (-5.0*10^-6) is at the origin; charge c (+4.0*10^-6) has coordinates (5,0), where the coordinates are in meters. What is the net force on each ...
October 27, 2010 by Anonymous

Biomechanics
A person with a body mass of 65 kg was running over level ground with a strong tailwind, while wearing a 10 kg weighted vest. The tailwind applied a force of 125 N to the runner’s body in the horizontal direction. Early in the stance phase, the runner generated a vertical ...
April 6, 2014 by Brendan

Chemistry 1
Sodium carbonate reacts with a solution of HCl solution with the evolution of gas (CO2) to yield a solution that is neutral. If 0.265 grams of sodium carbonate are required to neutralize 1.00 mL of HCl solution, what mass (in grams) of sodium carbonate will be required to ...
February 5, 2010 by Kay

Law and Ethics
1. An insured patient pays a flat fee for certain services. The amount that the patient must pay is the . A. deductible B. copayment C. formulary D. coinsurance My answer B 2. Ravi and Juli are discussing the National Practitioner Dta Bank. Ravi says that undesirable licensure...
June 21, 2013 by kim

Physics
Please help quickly his handbag exerts a force of 10 N on the hook. Which of the following values is a possible tension for each side of the cloth loop on the handbag? Each side of the loop exerts a vertical force only, not a horizontal force, on the rest of the handbag. (...
November 18, 2013 by Gianna

Managerial Accounting
Instead of sales of 10,000 pair of skis, revised estimates show sales volume at 12,500 pair. At this new volume, additional equipment, at an annual rental of $10,000 must be acquired to manufacture the bindings. This incremental cost would be the only additional fixed cost ...
February 24, 2010 by Anonymous

Physics
In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner? (the rectangle has +3 uC charges in ...
September 8, 2013 by Sarah

Physics
A person can jump a horizontal distance of 3.10 m on Earth, where the free-fall acceleration, g = 9.81 m/s2. (a) How far could the person jump on the moon, where the free-fall acceleration is g/6 m (b) How far could the person jump on Mars where the acceleration due to gravity...
September 25, 2012 by mike

Calculus disaster
Uranium ore has two main isotopes, mostly U-238 with just a trace amount of U-235. In a sample of Uranium ore, 99.85% of the atoms are U-238 atoms and 0.15% are U-235 atoms. Before the Uranium can be used in a nuclear power plant, the proportion of U-235 must be increased to ...
August 28, 2010 by Amanda

Physics
A paratrooper with a fully loaded pack has a mass of 119 kg. The force due to air resistance on him when falling with an unopened parachute has magnitude FD = bv^2 where b = 0.13 (N·s^2)/m^2. The force of air resistance acting on him is 516N up. (b) What is his acceleration?
September 23, 2009 by Megan

Physics
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 = 0.4 g, m2 = 223 g and F = 0.7 N to find the force between the two objects. Thanks
October 2, 2009 by Britney

Physics
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 droplet of ink in an industrial ink jet printer carries a charge of 1.6 x 10 to the power of -10C and is deflected onto paper by a force of 3.2 x 10 to the power of -4N. What is the strength of the electric field to produce this force?
January 6, 2010 by Anonymous

Physics
A total of 650 joules of work is done on a 50.-kilogram object as it is moved 8.0 meters across a level floor by the application of a horizontal force. Determine the magnitude of the horizontal force applied to the object
January 7, 2010 by Priscilla

Physics
A droplet of ink in an industrial ink jet printer carries a charge of 1.6 x 10 to the power of -10C and is deflected onto paper by a force of 3.2 x 10 to the power of -4N. What is the strength of the electric field to produce this force?
January 12, 2010 by AC

Physics
A 25 kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N acts on the mass. The mass is initially at rest. What speed does that mass have after being moved 2.0m?
October 16, 2010 by Maia

Physics
A 25 kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N acts on the mass. The mass is initially at rest. What speed does that mass have after being moved 2.0m?
October 17, 2010 by Tia

science
a 10 N force pushes a body northward while a 15 N force acting at the same point of the body pushes it southward. Find equilbrant of these two forces. do I add or subtract? what about direction
January 9, 2011 by anonymous

physics
A charge Q = -520 C experiences a downward force of 0.04 N. What is the electric field in N/C at the point where the charge is located? Take upward to be positive. I know that E=Kq/r^2 therefore E= (9.0*10^9Nm)(-520*10^-6c)/r^2 I'm not sure how to get the distance and what I'm...
January 23, 2011 by help

physics
A heavily loaded freight train moves with constant velocity. What is the relationship between the net force on the first car (F1) and the net force on the last car (F2)? A. F1=F2 B. F1>F2 C. F1<F2 D.unable to determine Would it be choice a?
July 2, 2011 by alexa

Physics
A horse pulls on a crate with a 1,000 N force, causing it to move at constant velocity. What is the acceleration of the cart? A 44-kg child steps onto a scale. What is the magnitude of the force that the scale exerts on the child
July 15, 2011 by Kandi

physics
A horizontal force of magnitude 33.5 N pushes a block of mass 3.80 kg a distance of 3.00 m across a floor, where the coefficient of kinetic friction is 0.600. (a) How much work is done by that applied force on the block-floor system?
December 18, 2011 by t.a.

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012 by kyle

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012 by kyle

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012 by kyle

physics
A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle theta=23.0degrees above the horizontal, as shown. What is the magnitude of the acceleration of the block when the force is applied?
January 28, 2012 by Rachel

physics
A woman pushes a refrigerator across the floor at a steady speed of 20cm/s . If she has to push with a horizontal force of 400 N to keep it moving , is the force of friction less than 400 N , 400 N, more than 400 N, why
March 25, 2012 by Melissa

physics
A droplet of ink in an industrial ink-jet printer carries a charge of 1.1×10−10 C and is deflected onto paper by a force of 3.7×10−4 N.Find the strength of the electric field to produce this force.
April 14, 2012 by Helen

Physics
Two forces act concurrently on point P. One force is 85 N in a direction 35 degrees north of east. The second 95 N force acting at an angle of 227 degrees, what is the magnitude and direction of the resultant ?
September 23, 2012 by Sue

physics
7.0 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown below. How much work is done by the force as the block moves from the origin to x = 8.0 m?
November 2, 2012 by kunal

Physics
A sled is pulled across a horizontal snow surface with a constant velocity. The force being applied is 80 N at an angle of 53 degrees to the ground. What is the magnitude of the force of friction of the snow acting on the sled?
November 19, 2012 by PH

phys
A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30 degree below the horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he needs to start the crate moving is:
March 12, 2014 by tony

physics
a window easher pushes his brush up a vertical window at constant velocity by applying a force F as shown below. The brush weighs 12 N and the coefficient of the kinetic friction is 0.2. find the magnitude of force F.
April 17, 2014 by michelle

Chemistry
Which of the following is NOT TRUE? A. The blank for this experiment must have 100 % transmittance if placed in a spectrometer (Spec 20). B. The volume required to titrate the blank is subtracted from the volume used to titrate the analyte solution to give the "corrected ...
April 27, 2008 by Adam

UNIT FRACTIONS URGENT~!
I have been stuck on this for hours and feel completely stupid, could someone help? Read the story problem given below. Identify what unit conversions must be made and show your unit fractions in making the conversions. Make the required conversions and round results ...
February 2, 2009 by cupcakedoll

physics
In the figure below, a box of Cheerios (mass mC = 1.0 kg) and a box of Wheaties (mass mW = 3.5 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. The magnitude of the frictional force on the Cheerios box is 2.0 N, and the ...
September 23, 2009 by Nick

physics
In the figure below, a box of Cheerios (mass mC = 0.8 kg) and a box of Wheaties (mass mW = 2.5 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. The magnitude of the frictional force on the Cheerios box is 2.0 N, and the ...
April 26, 2010 by bob

physics
Graph the following data and calculate the slope. What quantity is the slope of this graph? Normal Force(N) Frictional Force(N) 0 0 2.0 0.6 6.0 1.8 9.0 2.7 10.0 3.0
June 8, 2010 by Anonymous

physics
A force of 5.00 N to the left causes a 1.35 kg book to have a net acceleration of 0.76 m/s2 to the left. What is the frictional force acting on the book?
October 30, 2010 by lisa

physics
The force acts on a 1.2kg object at 120m/s. The direction of the force is aligned with the velocity. What is the new velocity of the object
December 16, 2010 by Sarah

physics
The Earth exerts an 680 N gravitational force on a man. What force does the man exert on the Earth? Answer in units of N
March 16, 2011 by Anonymous

Physics
Two point charges are separated by 6cm. The attractive force between them is 22 N. Find the force between them when they are separated by 12 cm.
July 8, 2011 by Sarabeth

physics
A net force gives a 10th kg object an acceleration of 2.0m/s . If the same force were applied to a 20 kg object what would its acceleration be?
July 14, 2011 by rosie

Physics
A force of 15.00 N to the right causes a 2.02 kg book to have a net acceleration of 0.81 m/s2 to the right. What is the frictional force acting on the book?
October 19, 2011 by Sammy

physics
A tow truck does 3.5 k j of pulling horizontally on a stalled truck to move 2.8 m horizontally in the direction of the force. What is the magnitude of the force.
November 13, 2012 by sam

physics
a net force of 5000N accelerates a car from rest to 20m/s in 10s. what is the net force exerted on the car
February 19, 2013 by rose

physics
A proton with speed v perpendicular to a magnetic field B is experiencing a force F.If the speed of the proton is doubled,the new force is (a)F/2(b)F(c)2F(d)4F
September 22, 2013 by Roy

science
The Earth exerts an 850 N gravitational force on a man. What force does the man exert on the Earth? Answer in units of N
November 13, 2014 by Yassin

algebra
Mike said, last week I ran 15 miles farther than Bill. Pete said Last week I ran one mile less than 3 times as far as Bill. If Mike and Pete ran the same distance, how far did Bill run?
October 18, 2011 by Anonymous

Physics
A baseball player is approaching home plate with a speed of 5.8m/s when he decides to slide. He slides for 1.1s, just reaching the plate safe. What is the magnitude and direction of the player's acceleration? How far did he slide? His magnitude of acceleration is 5.8/1.1= 5.3 ...
September 11, 2010 by Jamie

College physics
An airplane is cruising along in a horizontal level flight at a constant velocity, heading due west. (a) If the weight of the plane is 5.54 104 N, what is the net force on the plane? (b) With what force does the air push upward on the plane?
June 6, 2011 by Amanda

physics
A truck driver slams on the brakes and the momentum of the truck changes from ‹ 53000, 0, 0 › kg · m/s to ‹ 27000, 0, 0 › kg · m/s in 3.3 seconds due to a constant force of the road on the wheels of car. As a vector, write the net force exerted on the truck by the surroundings.
September 11, 2014 by ed

physics
To tighten a bolt, you push with a force of 84N at the end of a wrench handle that is 0.24m from the axis of the bolt. If you move your hand inward to be only 0.10 m from the bolt, find the force that you should exert to achieve the same torque.
September 28, 2014 by leonardo

Physics
A box with a mass of 7.00 kg is at rest on a ramp that is at an angle of 20 degrees with the horizontal. The coefficient of static friction between the box and the ramp is 0.800. Use g = 9.80 m/s2. You now want to make the box move by applying a force. To start the box moving...
October 10, 2011 by Jeanne

physics please respond
A 16kg sled starts up a 28 degree incline with a speed of 2.4 m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is not to get stuck at ...
May 27, 2012 by leeann

physics
The coefficient of static friction between a block and a horizontal floor is 0.35, while the coefficient of kinetic friction is 0.12. The mass of the block is 4.5 kg. A horizontal force is applied to the block and slowly increased. (a) What is the value of the applied ...
February 16, 2012 by Julie

physics
The coefficient of static friction between a block and a horizontal floor is 0.40, while the coefficient of kinetic friction is 0.15. The mass of the block is 5.0 kg. A horizontal force is applied to the block and slowly increased. (a) What is the value of the applied ...
March 15, 2012 by nuwan

physics
The coefficient of static friction between a block and a horizontal floor is 0.40, while the coefficient of kinetic friction is 0.15. The mass of the block is 5.0 kg. A horizontal force is applied to the block and slowly increased. (a) What is the value of the applied ...
March 15, 2012 by tharidu

physics
The coefficient of static friction between a block and a horizontal floor is 0.40, while the coefficient of kinetic friction is 0.15. The mass of the block is 5.0 kg. A horizontal force is applied to the block and slowly increased. (a) What is the value of the applied ...
March 15, 2012 by tharidu

Physics
What force would you have to exert on a 326-N trunk up a 19.0° inclined plane so that it would slide down the plane with a constant velocity? What would be the direction of the force? (The coefficient of friction between the plane and the trunk is 0.328.) The force of friction...
December 16, 2007 by Jane

physics
One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force would it take to drag them both across the floor if they are tied together one behind the other? How much force would it take to drag them both across ...
December 4, 2010 by sky

physics
One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force would it take to drag them both across the floor if they are tied together one behind the other? How much force would it take to drag them both across ...
December 4, 2010 by helena

Chem
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

Macroeconomics
A) Suppose that as the economic recovery strengthened consumer expectations of annual inflation increased from 2% to 3.5 % and, at the same time, the expected real rate of return required to equate investor demand to the existing supply of 1 year Treasury notes increased from ...
October 1, 2009 by Jason

statistics
Based on data from the National Center for Health Statistics, N. Wetzel used the normal distribution to model the length of gestation for pregnant US woman ( Chance, Spring 2001). Gestation length has mean of 280 days with a standard deviation of 20 days. a. Find the ...
March 17, 2013 by lindsey

Physics
A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force and the friction force acting on the crate in each of these situations. (a) The crate is at rest. Normal Force : 1.perpendicular to and away from the...
February 22, 2010 by Max

college physics
A block of weight = 35.0 N sits on a frictionless inclined plane, which makes an angle theta = 27.0 with respect to the horizontal. A force of magnitude = 15.9 N, applied parallel to the incline, is just sufficient to pull the block up the plane at constant speed. What is Wg, ...
February 25, 2010 by Anonymous

Physics
A block of weight = 25.0 N sits on a frictionless inclined plane, which makes an angle = 34.0 with respect to the horizontal, as shown in the figure. A force of magnitude F= 14.0 N, applied parallel to the incline, is just sufficient to pull the block up the plane at constant ...
October 17, 2010 by Eden

Physics
A mass m1 = 4.1 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 32.0 N pulls m1 to the left a distance d = 0.83 m. 1) How much work is done by the force F on the two block system? 2) How much work is ...
January 2, 2013 by Drew

Physics
A governor (centrifugal pendulum) consists of two 200–g spheres attached by light, rigid 10.0–cm 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
An infinite sheet with a surface charge density of -2.1 micro-coulombs/m2 runs parallel to the x axis. Another infinite sheet a surface charge density of +2.1 micro-coulombs/m2 runs parallel to the y axis. A charge of -4.1 micro-coulombs moves at a 45 degree angle towards the ...
February 10, 2012 by Mandaleigh

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

Physics
3. An 80 kg skier is skiing down a slope (assume its frictionless) as shown in the diagram. The skier then hits a patch of sandy snow that applies a constant frictional force of 320 N directed up the slope. a. What is the skiers acceleration before hitting the sandy snow? b. ...
January 27, 2015 by Krystal

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

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

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

Physıcs
Formula force calculatıng force
February 2, 2014 by Murtala

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

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

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