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January 27, 2015

Search: If we assume their arms are each 0.75 m long and their individual masses are 56.0 kg, how hard are they pulling on one another?

Number of results: 32,378

Physics
Biomedical measurements show that the arms and hands together typically make up 13.0% of a person's mass, while the legs and feet together account for 37.0% . For a rough (but reasonable) calculation, we can model the arms and legs as thin uniform bars pivoting about the ...
February 23, 2012 by john

Physics help please!!!
Biomedical measurements show that the arms and hands together typically make up 13.0% of a person's mass, while the legs and feet together account for 37.0% . For a rough (but reasonable) calculation, we can model the arms and legs as thin uniform bars pivoting about the ...
February 23, 2012 by john

physic
4. The physics class is having a tug of war the men against the women. For a long time the two teams are pulling with equal force and the knot in the centre of the rope isnt going anywhere. But then one boy sneezes and stops pulling as hard for just a few seconds. Of course...
November 19, 2011 by aishah

physics
4. The physics class is having a tug of war the men against the women. For a long time the two teams are pulling with equal force and the knot in the centre of the rope isnt going anywhere. But then one boy sneezes and stops pulling as hard for just a few seconds. Of course...
November 18, 2011 by aishah

Physics
A figure skater is spinning with an initial angular speed of 6.9rad/s. She then pulls her arms in, reducing her moment of inertia to 0.38 times its original value. What is her angular speed after pulling in her arms?
March 8, 2012 by Jackie

physics
A student is attempting to haul a 500 kg log down a 24 degree hill. The log has a coefficient of friction of .5. The student is pulling with about 1700 N of force. Is the student pulling too hard or too lightly? Calculate exactly how much harder or less hard the student should...
February 19, 2013 by Aaron

physics
A 12 kg mass on a horizontal friction-free air track is accelerated by a string attached to a 100 kg mass hanging vertically from a pulley as shown. Compare the accelerations when the masses are interchanged, that is, for the case where the 100 kg mass dangles over the pulley...
June 3, 2007 by naomi

physics
Three bolocks are connected(mass_1 on the left connected to mass_2 with a string which is T_1. Mass_2 is connected to Mass_3 with a string, T_2. the force is holding on to T_3 which is connected to mass_3) and pulled to the right on a horizontal frictionless table by a force ...
November 13, 2006 by Chris

Physics
Buffy the Vampire Slayer is buffing up her 0.53 meter long arms by bench pressing. In 35 seconds she can lift 38 kilograms of mass 23 times. How powerful are Buffy's arms?
March 10, 2013 by Anonymous

Physics
Buffy the Vampire Slayer is buffing up her 0.53 meter long arms by bench pressing. In 35 seconds she can lift 38 kilograms of mass 23 times. How powerful are Buffy's arms?
March 10, 2013 by Anonymous

physic
A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two masses, is 4.72 kgm2, a ...
March 25, 2010 by Mary

Physics - ice skating
An ice skater pulls three small children, one behind the other, with masses 25kg, 31kg, and 35kg. Assume that the ice is smooth enough to be considered frictionless. If the skater is holding onto the 25kg child, find the tension in the arms of the next child in line.
August 5, 2010 by Shaila

Physics
You work for a moving company and are given the job of pulling two large boxes of mass m1 = 115 kg and m2 = 286 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the tension in each rope? Assume there is...
May 15, 2012 by Alex

Physics
You work for a moving company and are given the job of pulling two large boxes of mass m1 = 115 kg and m2 = 286 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the tension in each rope? Assume there is...
May 15, 2012 by Alex

physics
PLease HeLP! You work for a moving company and are given the job of pulling two large boxes of mass m1 = 112 kg and m2 = 287 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the tension in each rope? ...
September 10, 2010 by tom

[Physics] super hard/long circuit problem
I have this last one which is really long/hard. It's so long that I just decided to scan the whole problem. So here it is... and thanks everyone for the help so far! h t t p ://img201.imageshack.us/my.php?image=circuit5ij7.png *remember to delete spaces or it won't load!
April 12, 2008 by Eileen

physics
4. An ice skater pulls three small children, one behind the other, with masses 25kg, 31 kg and 35kg. Assume that the ice is smooth enough to be considered frictionless, determine: a) the total force applied to the train of children if they reach a speed of 3.5m/s from rest in ...
October 24, 2010 by Sandy

physics
If two different masses have the same kinetic energy, their momenta are: 1. inversely proportional to their masses 2. inversely proportional to the square roots of their masses 3. proportional to the squares of their masses 4. proportional to their masses 5. proportional to ...
October 28, 2011 by Anonymous

physics
A nut-cracker has arms o.4m long and a nut is placed 0.05m from the hinge. Calculate the resistance of the shell if it is broken by a force of 100N applied at the end of the cracker(Assume that all forces are parallel)
June 12, 2014 by benjieo

physics
A nut-cracker has arms o.4m long and a nut is placed 0.05m from the hinge. Calculate the resistance of the shell if it is broken by a force of 100N applied at the end of the cracker(Assume that all forces are parallel)
June 12, 2014 by benjieo

Physics
A student on a piano stool rotates freely with an angular speed of 2.85rev/s . The student holds a 1.10kg mass in each outstretched arm, 0.789m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two masses, is 5.23kg⋅m2...
November 7, 2013 by Patricia

Physics
Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, ...
February 22, 2010 by I

Physics
Two masses are held while suspended on a frictionless pulley.Their masses are 0.250 kg and 0.200 kg. a. Compute for the acceleration of the masses once they are released? b.Find the tension on the string m1 accelerates upward and m2 downward Let a be the acceleration of m1 ...
September 10, 2006 by fluffy

Physics
Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, ...
February 22, 2010 by Isabel

Physics
Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, ...
February 23, 2010 by Isabel

Physics
Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, ...
February 23, 2010 by Isabel

physics
Find the acceleration (mls^2) of the masses, given that m1= 1.0kg, m2= 2.0kg and m3= 3.0kg . Assume the table is frictionless and the masses move freely.
November 11, 2010 by jay

Physics
A woman stands at the center of a platform. The woman and the platform rotate with an angular speed of 4.00 rad/s. Friction is negligible. Her arms are outstreched, and she is holding a dumbbell in each hand. In this position the total moment of inertia of the rotating system...
March 21, 2007 by CJ

physics
an ice skater starts her spin with her arms stretched straight out. She then pulls her armsin close to her body. Assume her moment of inertia when her arms are stretched out is 3.0 kg-m sqaured and it is 2.0 kg-m squared when she pulls them in tight. If she starts her spin at ...
December 9, 2014 by Billy Bundles

Physics
Consider two masses m1 and m2 connected by a thin string. Assume the following values: m1 = 4.18 kg and m2 = 1.00 kg. Ignore friction and mass of the string. 1) what is the acceleration of the 2 masses? 2)What should be the value of mass m1 to get the largest possible value of...
September 1, 2011 by Logan

Physics Urgent please help
A figure skater stands on one spot on the ice(assumed frictionless) and spins around with her arms extended. When she pulls in her arms, her moment of inertia decreases to 3/4 of the initial value. Assume that her spin angular momentum is conserved. What is the ratio of her ...
November 11, 2013 by rosa

Physics
If two different masses have the same kinetic energy, their momenta are: a. proportional to the squares of their masses b. proportional to their masses c. proportional to the square roots of their masses d. inversely proportional to their masses e. inversely proportional to ...
October 31, 2011 by Anonymous

physics
our class was given an extra credit assignment where we have to design a mobile that has both the net forces and torques = 0. i have all of the masses know i just don't know how to find radii. no two masses can be in the same position nor can they be at the center of mass...i;...
July 3, 2009 by anne

Physics
Consider a force F = 815 N pulling 3 blocks of masses m1 = 7.94 kg, m2 = 15.3 kg, and m3 = 32.4 kg along a frictionless horizontal surface. Find the acceleration a of the blocks. Answer in units of m/s2.
October 9, 2012 by Priscilla

physics
Assume that there is no friction between m2 and the incline, that m2 = 2.4 kg, m1 = 1.2 kg, the radius of the pulley is 0.10 m, the moment of inertia of the pulley is 4.8 kg m2, and θ = 25.0. a) Find the combined mechanical energy of both masses the instant the masses ...
November 26, 2014 by May

Math
Snowflakes have six identical arms. Using the centre of the snowflake as the point of rotation,what is the smallest positive angle through which you could rotate the snowflake so the arms line up?(The rotated snowflake would match the appearance of its original position.) ...
May 16, 2012 by Cherie

Physics
Two objects attract each other gravitationally with a force of 2.9 10-10 N when they are 0.29 m apart. Their total mass is 4.0 kg. Find their individual masses.
October 2, 2011 by Ellen

probability
A computer has 12 hard drives. The probability that an individual hard drive fails within one year is .25. What is the probability that the system will have exactly 4 failures in one year?
April 14, 2013 by Anonymous

chm
Why are the atomic masses listed in the periodic table not whole numbers? Answer Scientists have yet to make the precise measurements. That would be too much of a coincidence. ??>>The atomic masses are average atomic masses. or >>Today's instruments are able to ...
February 23, 2013 by jj

Physics
The Achilles tendon is attached to the rear of the foot. Assume that a person has a mass of 53 kg and that D is twice as long as d. When a person elevates himself just barely off the floor on the "ball of one foot," estimate the tension in the Achilles tendon (pulling upward).
March 15, 2014 by Anonymous

Physics
Two objects attract each other gravitationally with a force of 2.110−10 N when they are 0.21 M apart. Their total mass is 4.00 KG Find their individual masses. .
April 6, 2010 by mm

Science: Astronomy
Why have so few visual binary star systems been fully analyzed to reveal individual masses?
July 15, 2010 by Katrell

Physics
Two objects attract each other gravitationally with a force of 2.310−10 when they are 0.21 apart. Their total mass is 4.50 . Find their individual masses.
February 14, 2011 by Kevin

Physics
Two objects attract each other gravitationally with a force of 2.710−10 when they are 0.65 apart. Their total mass is 4.4 Find their individual masses.
February 19, 2011 by B-rad

Physics
two objects attract each other gravitationally with a force of (2.5)(10^-10)N when they are 0.25m apart. Their total mass is 4.0 kg. Find their individual masses.
February 14, 2014 by Juan

Physics
A figure skater is spinning with her arms out wide. Will she spin faster or slower if she tucks in her arms? Why?
October 7, 2010 by Cassy

physics
A BOY IS HANGING FROM A BRANCH OF A TREE THE TENSION IN THEW ARMS WILL BE MAXIMUM WHEN THE ANGLE BETWEEN THE ARMS IS
July 2, 2011 by NEEHARIKA

physics
Hi I did a physics lab where we hung one spring with several different masses and found its K value, then hung another spring with several different masses and found its K value, then we joined both the springs together and hung several masses on it, and then found the K value...
November 28, 2008 by sarah

Physics
Two objects attract each other gravitionally with a force of 2.5 *10^-10 N when they are .25m apart. Their total mass is 4.0kg. Find their individual masses.
February 22, 2011 by Emily Grossman

physics
The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 80kg and D is twice as long as d.Find the tension FT in the Achilles tendon (pulling ...
February 17, 2014 by may

Physics
Three huskies are pulling a dog sled. The mass of the driver, sled and supplies is 145 kg. Snowy is pulling with a force of 83 N and 15.5degrees to the left of forward. Buster is pulling with a force of 75 N at 9degrees right of forward and Prince is pulling with a force of ...
March 11, 2012 by Danielle

univ-phys
Two objects attract each other gravitationally with a force of 2.510^-10N when they are 0.22m apart. Their total mass is 4.50kg. Find their individual masses.
October 2, 2009 by Taylor Rae

history
coat of arms for the yarnall family When I searched on Google for "coat of arms" Yarnell, this is the result I found: http://www.houseofnames.com/xq/asp.c/qx/yarnell-coat-arms.htm No results found! So I guess you are free to make up your own!! =) Ooops! I spelled it wrong. Try...
January 24, 2007 by helen

physics
Three masses are arranged on a flat surface as shown. Two of the masses are as follows: m2 = 16.3 kg and m3 = 66.5 kg. A horizontal force of 519 N applied to m2 accelerates the masses across the floor, which has a coefficient of friction of μ = 0.312, at 1.77 m/s2. What ...
December 5, 2010 by dillon

Social Studies (France and nuclear arms)
can anyone educate me about why france should have the right to nuclear arms?? and be specific about what the arms and rights are? please please please! i need to argue about it. thank you!
June 8, 2009 by ellie

Physics
How to solve/work problem? Two objects attract each other gravitationally with a force of 2.5 * 10^-10 N when they are .25m apart. Their total mass is 4.0kg. Find their individual masses.
February 21, 2011 by Emily Grossman

forces
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 64 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 69 kg and exert average forces of 1365 N horizontally. (a) What is the...
February 8, 2014 by Melissa

physics
A block of mass m1 = 2.4 kg initially moving to the right with a speed of 3.3 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 = 4.1 kg initially moving to the left with a speed of 1.5 m/s as shown in figure (a). The spring ...
October 14, 2013 by Leticia

Physics
Another toboggan with a mass of 30 kg, is being accelerated at 40 cm/s^2 by two boys pulling ropes at an angle of 20(degrees) with the direction of travel. They are each pulling with a force of 25 N. a) what is the force of friction? b) if, after reaching of 3.0 m/s, the boys ...
October 19, 2010 by Mayson

Literature
Which of the following excerpts is the best example of persuasion through an appeal to reason? a. "Has Great Britian any enemy, in this quarter of the world, to call for all this accumulation of naives and armies?" b. "They are sent over to bind and rivet upon those chains ...
November 22, 2007 by Anonymous

physics
An ice skater has a moment of inertia of 2.3 kg * m^2 when his arms are outstretched and a moment of inertia of 1.0 kg * m^2 when his arms are tucked in close to his chest. If he starts to spin at an angular speed of 2.0 rps (revolutions per second) with his arms outstretched...
April 11, 2011 by Dorian

Physics
Another toboggan with a mass of 30kg is being accelerated at 40 cm/s^2 by two boys pulling ropes at an angle of 20degrees with the direction of travel. They are each pulling with a force of 25N. a) what is the force of friction? b) if, after reaching a speed of 3.0m/s, the ...
October 19, 2010 by Mayson

Statistics
A manufacturer has designed a process to produce pipes that are 10 feet long. The distribution of the pipe length, however, is actually Uniform on the interval 10 feet to 10.85 feet. Assume that the lengths of individual pipes produced by the process are independent. Let X and...
March 5, 2011 by Hannah

mechanics
using a come-along I am pulling 220 lbs. up a stairway(45*) angle. How much weight am I actually pulling?
October 21, 2012 by Gaston

honors chemistry- isotopes...
can scientists actually measure the mass and relative abundance of isotopes of an element by counting each particle and measuring their masses? [ i think no because it would be too small ] if not, how could a scientist measure the mass and relative abundance of isotopes of an ...
October 31, 2006 by guitarking4000

Pre-Calculus
Two barges are pulling a ship into the harbor. Barge A is pulling with a force of 2700N at N43 deg E, and barge B is pulling at S 50 deg E. What force must barge B exert so that the ship is pulled directly East?
May 2, 2011 by Joe

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 "Great Swing" at a country fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. Each arm supports a seat suspended from a 5.00m long rod, the upper end which is fastened to the arms at a point of 3.00m from the central shaft...
November 3, 2010 by Anonymous

Calc-Based Physics
Two people are pulling a mule. One is pulling at 120 N* at 60 degrees, and the other is pulling at 80 N* at 105 degrees. Find: a) The single force that is equivalent to the forces shown. AND b) The force that a third person would have to exert on the mule to make the resultant...
October 11, 2007 by Ryomasa

math
Melissa has 10 coins in her pocket. 2 quarters 3 dimes 4 nickel 1 penny What is the theoretical probability of pulling a quarter out of your pocket, putting it back, then pulling out a penn? My answer is 1/50 Also what is the theoretical probability of pulling a nickel out of ...
January 9, 2014 by Kyle

physics
consider the 52 kg climber. find the tension in the rope and the force that the climber must exert with her feet on the vertical rock face to remain stationary. assume that the force is exerted parallel to her legs. also, assume negligible force exerted by her arms. what is ...
June 5, 2013 by kim

Precalculus
Juana and Diego Gonzales, ages six and four respectively, own a strong and stubborn puppy named Corporal. It is so hard to take Corporal for a walk that they devise a scheme to use two leashes. If Juana and Diego pull with forces of 23 lb and 27 lb at the angles shown in the ...
February 3, 2010 by Marie

Math-Algebra
1. Finf the width of a rectangle whose area is 36 sq in. And length is 9in. 2. The attraction F of any two masses m1 and m2 foe each other varies directly as the oroduct of the masses and inversely as the square of the distance d between these teo masses. Express the relation ...
November 24, 2013 by Mckenna Louise

english
Can someone please tell me how this paragraph would be rated? Literary technique paragraph using the second paragraph of the Jan 2011 regent. In passage 2, the author Marge Piercy uses similie to portray the hard work people he loves best do. Similes compare one item to ...
June 16, 2011 by Naviva

Literature
Which of the following excerpts is the best example of persuasion through an appeal to reason? a. "Has Great Britian any enemy, in this quarter of the world, to call for all this accumulation of naives and armies?" b. "They are sent over to bind and rivet upon those chains ...
November 24, 2007 by Anonymous

Physics !>:(
Four masses are connected by 27.1cm long, massless, rigid rods. If massA=237.0g, massB=511.0g, massC=257.0g, and massD=517.0g, what are the coordinates of the center of mass if the origin is located at mass A? (Enter your x coordinate first followed by the y coordinate.) b). ...
November 12, 2012 by moore

MATH
A car is towing a trailer along a horizontal straight road using a horizontal tow-bar. The masses of the car and trailer are 1050kg and 200kg respectively. The resistance to motion of the car is 850N and the resistance to motion of the trailer is 150N. i) At an instant when ...
October 26, 2013 by Math Only For The Brave

trig
Juana and Diego Gonzales, ages six and four respectively, own a strong and stubborn puppy named Corporal. It is so hard to take Corporal for a walk that they devise a scheme to use two leashes. If Juana pulls with a force of 23 lbs at an angle of 18° and Diego pulls with a ...
December 12, 2013 by J

Physics
The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 65kg and D is twice as long as d. Find the tension FT in the Achilles tendon (pulling...
June 10, 2014 by George

physics
A figure skater is spinning at a rate of 1.7 rev/s with her arms outstretched. She then draws her arms in to her chest, reducing her rotational inertia to 62% of its original value. What is her new rate of rotation?
December 4, 2007 by stephanie

physic
A figure skater is spinning at a rate of 1.7 rev/s with her arms outstretched. She then draws her arms in to her chest, reducing her rotational inertia to 64% of its original value. What is her new rate of rotation?
November 10, 2014 by femi

Physics
A figure skater is spinning at a rate of 1.1 rev/s with her arms outstretched. She then draws her arms in to her chest, reducing her rotational inertia to 66% of its original value. What is her new rate of rotation?
October 26, 2014 by Katie

physics
A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 70 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
March 24, 2012 by deb

physics
A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
March 24, 2012 by please

physics
A 1-kg mass (the blue mass) is connected to a 8-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
March 25, 2012 by hania

physics
A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
March 25, 2012 by hania

physics
A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
March 26, 2012 by Anonymous

PHY
Two objects attract each other gravitationally with a force of 3.5 10-10 N when they are 0.33 m apart. Their total mass is 4.0 kg. Find their individual masses. A)larger mass kg B)sMaller mass kg
September 19, 2010 by ami

Physics
Four identical masses of 800kg each are placed at the corners of a square whose side length is 10.0cm. What is the net gravitational force (magnitude and direction) on one of the masses, due to the other three? I think I have to separate the four masses but I'm not sure how to...
January 20, 2009 by Jaime

molar mass
what is the molar mass of NaHCO3 84 more or less. You will need to add the individual atomic masses to obtain an exact number.
February 21, 2007 by kitty

Physics HELP!!
Four masses are connected by 27.1cm long, massless, rigid rods. If massA=237.0g, massB=511.0g, massC=257.0g, and massD=517.0g, what are the coordinates of the center of mass if the origin is located at mass A? ^ I already got this part: x coordinate- 13.78 cm y coordinate- 13....
November 13, 2012 by sarah

Physics
Consider the 52.0-kg mountain climber in the figure to the right. Find (a) the tension in the rope and (b) the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, ...
June 3, 2014 by Anonymous

physics
Three blocks are located on a horizontal table. The coefficient of kinetic friction between the blocks and the table is 0.276. They are connected by a massless cord, as shown in the figure below, and pulled to the right. The masses of the three blocks are = 9.0 kg, = 0.5 kg, ...
February 12, 2008 by shelby

Need help on Physics!!
Three uniform spheres are fixed at the positions shown in the diagram. Assume they are completely isolated and there are no other masses nearby. (a) What is the magnitude of the force on a 0.20 kg particle placed at the origin (Point P)? What is the direction of this force? (b...
March 31, 2014 by Nick

Please help me ASAP!!!
Three uniform spheres are fixed at the positions shown in the diagram. Assume they are completely isolated and there are no other masses nearby. (a) What is the magnitude of the force on a 0.20 kg particle placed at the origin (Point P)? What is the direction of this force? (b...
March 31, 2014 by Eli

Physics
Three blocks are located on a horizontal frictionless table. They are connected by a massless cord, as shown in the figure, and pulled to the right. The masses of the three blocks are m1 = 22 kg, m2 = 21 kg, and m3 = 33 kg. The pulling force is equal to T3 = 53 N. What is the ...
September 23, 2012 by jameson

crt 205
When you look at it from a practical standpoint your "unnatural" assertion makes sense. Arriving at this decision, however, involves a clash of morals. Do you feel the best way to solve this would be from a legal perspective? For instance, if the family can no longer afford to...
January 10, 2009 by Meshell

Physics
The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center. When the skater's hands and arms are brought in and wrapped around his body to execute the spin, the hands and arms can be ...
November 7, 2007 by Christina

Physics
A monkey hangs from a tree by both arms in an effort to catch his breath. If he has a mass of 65.0 kg, what is the tension of the monkey's arms as he hangs in place?
December 8, 2008 by cookie monster

Physics
Two masses, mA = 40.0 kg and mB = 55.0 kg, are connected by a massless cord that passes over a pulley that is free to rotate about a fixed axis. This device is known as an Atwoods Machine. The pulley is a solid cylinder of radius R = 0.360 m and mass of 7.50 kg. Note: The ...
October 23, 2014 by Cheese

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