Number of results: 82,483
physics
two particles of mass m1 and m2 are joined by a massless spring of spring constant k and natural length L.Initially m2 is on table and m1 is above m2 at a vertical height h.At t=0 m1 moves with velocity v0.find the position of the masses
Saturday, December 4, 2010 at 8:55pm by Anonymous
physics
Let M1 be the mass on the table and M2 be the mass hanging from the pulley. Let T be the tension force in the cable that connects them. Both masses accelerate at the same rate a, but in different directions. Solve this pair of equations. There are two unknowns, a and T. M1 g...
Sunday, September 13, 2009 at 10:11pm by drwls
science
1.which two particles are found in an atoms nucleus? 2. which two particles in an aton are equal in number? 3. what two particles account for almost all of the mass of an atom?
Friday, October 29, 2010 at 9:50am by yuku
Physics. PLEASE HELP!
two blocks of masses m1 and m2 (m1>m2) are placed on a frictionless table in contact with each other. A horizontal force of magnitude F is applied to the block of mass m1. if P is the magnitude of the contact force between the blocks, what are the net forces acting on ...
Thursday, October 11, 2012 at 10:48pm by Jack
Physics. Really stuck!
two blocks of masses m1 and m2 (m1>m2) are placed on a frictionless table in contact with each other. A horizontal force of magnitude F is applied to the block of mass m1. if P is the magnitude of the contact force between the blocks, what are the net forces acting on ...
Monday, October 8, 2012 at 1:38am by Lindsay
physics
The mass m2 is larger than m1 by a factor 3.30/1.50 = 2.2 The combined mass m1 + m2 is therefore m1 + 2.2m1 = 3.2 m1 When the same force F acts, acceleration will be ne 3.2 tikmes less than when it acted on m1, or a = 3.30 m/s^2/3.2 = 1.03 m/s^2
Thursday, November 20, 2008 at 1:50am by drwls
physics
Two particles are in a uniform electric field whose value is +4000 N/C. The mass and charge of particle 1 are m1 = 1.0x10-5 kg and q1 = -15 µC, while the corresponding values for particle 2 are m2 = 3.0 x10-5 kg and q2 = +35.0 µC. Initially the particles are at ...
Monday, October 4, 2010 at 1:25pm by Nate
physics
Two masses m1= 35.0 Kg and m2= 15.0Kg are connected by a mass less string over a smooth pulley (no friction), the mass m1 being on a horizontal frictionless table. The motion of the system involves m1 moving horizontally to the right and m2 vertically downward, both with ...
Saturday, April 23, 2011 at 11:41am by Kayla
physics
The location of two particles at t = 0 is shown in the figure below. The particles are initially at rest. Each particle is subject to a constant force, as indicated in the figure. (Take m1 = 2.06 kg and m2 = 0.95 kg.) (a) Find the position of the center of mass at t = 0. xcm...
Thursday, February 10, 2011 at 4:25pm by Anonymous
Physics
In the railroad freight yard, an empty freight car of mass m rolls along a straight level track at 1.1 m/s and collides with an initially stationary, fully loaded boxcar of mass 4.3m. The two cars couple together upon collision. (a) What is the speed of the two cars after the ...
Friday, March 16, 2012 at 9:26pm by Priyanka
physics
A tractor T is pulling two trailers, M1 and M2, with a constant acceleration. T has a mass of 200 kg, M1 has a mass of 100 kg, and M2 has a mass of 150 kg. If the forward acceleration is 0.60 m/s2, then the horizontal force on the tractor due to the attachment to M1 is ?
Wednesday, October 5, 2011 at 4:57pm by wahida
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 ...
Sunday, September 10, 2006 at 8:43am by fluffy
physics
In the figure below, two point particles are fixed on an x axis separated by a distance d. Particle A has mass mA and particle B has mass 4.00mA. A third particle C, of mass 96.0mA, is to be placed on the x axis and near particles A and B. In terms of distance d, at what x ...
Wednesday, November 17, 2010 at 4:12pm by Alex
Math
Two particles X and Y joined by a rigit rod of negligible mass, move along a smooth horizontal plane. Particle X has mass 7.7kg and is pushed by an external force Fx of magnitude 73.01N. Particle Y has mass 5.68kg and is pulled along the plane by an external force Fy of ...
Friday, September 7, 2012 at 10:31am by Anonymous
Physics 203 ( College)
Four particles, one at each of the four corners of a square with 2.5-m-long edges, are connected by mass less rods. The masses of the particles are m1 = m3 = 2.0 kg and m2 = m4 = 7.0 kg. Find the moment of inertia of the system about the z axis.
Monday, April 4, 2011 at 11:58am by Kayla
physics PLEASE HELP (very very confused)
I cannot draw the F.B.D for you here, but assume that m1 is the mass being pulled by force F, and that m2 is the mass that is trailing behind, pulled by rope tension T. T also ags as a reverse force on mass m1. The equations of motion are F - Ff1 - T = m1*a T - Ff2 = m2*a ...
Wednesday, October 17, 2007 at 9:18am by drwls
physics
In the Atwood's machine of Figure 8-23, the two masses shown are initially at rest at the same height. After they are released, the large mass, m2, falls through a height h and hits the floor, and the small mass, m1, rises through a height h. The mass m2 remains at rest ...
Thursday, March 31, 2011 at 7:33pm by jennifer
physics
Use Newton's universal law of gravity. F = G M1 M2/R^2 In this case, M2 = 2 M1. Therefore F = 2 M1^2/R^2. M1 is the mass of the smaller sphere. R is the separation. Look up the universal constand G; it must be in your notes, or textbook. Solve for the smaller mass, M1. ...
Monday, January 18, 2010 at 11:02am by drwls
physics
Use the universal law of gravity. F = G*M1*M2/R^2 If M1 is the heavier mass, F = 2G*M1^2/R^2 = 2*10^-12 N R = 2.9 m Look up G and solve for M1
Saturday, December 11, 2010 at 10:53pm by drwls
physics
One dimension. In Fig. 13-32, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and particle B has mass 4.00 mA. A third particle C, of mass 80.0 mA, is to be placed on the x axis and near particles A and B. In terms of distance d, at ...
Tuesday, December 6, 2011 at 9:26pm by Dan
physics
One dimension. In Fig. 13-32, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and particle B has mass 4.00 mA. A third particle C, of mass 80.0 mA, is to be placed on the x axis and near particles A and B. In terms of distance d, at ...
Tuesday, December 6, 2011 at 9:26pm by Dan
Physics
Since they come to a dead stop, they had equal and opposite momenta beforer the collision Let M1 be the mass of the faster toy locomotive (speed V1) and M2 be mass of the slow the slow one (with speed V1/3). M2 = 4.48 - M1 M2*V1/3 = M1*V1 = (4.48 -M1)*V1/3 V1 cancels out. M1...
Wednesday, March 28, 2012 at 1:13am by drwls
Physics
A mass m1 = 3.3 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.4 kg which hangs freely from the string. When released, the hanging mass falls a distance d = 0.87 m. 1) How much work is done by gravity on the ...
Sunday, September 30, 2012 at 9:46pm by David
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...
Thursday, September 1, 2011 at 10:50pm by Logan
physics
Solve these two simultaneous equations with unknowns a (acceleration) and T (tension). M1*g - T = M1*a T - M2*g = M2*a This leads to a = [(M1 -M2)/(M1 +M2)]*g and T = [2*M1*M2/(M1+M2)]*g
Thursday, February 14, 2013 at 10:05pm by drwls
mathematics
two springs and two masses are attached in a straight line on a horizontal frictionless surface. the system is set in motion by given external force f(t) acting on the right hand mass m2. we denoted by x(t)the displacement(to the right) of mass m1 from static equilibrium ...
Sunday, October 17, 2010 at 3:21am by zainab
college physics
In the figure below, two point particles are fixed on an x axis separated by a distance d. Particle A has mass mA and particle B has mass 2.00mA. A third particle C, of mass 90.0mA, is to be placed on the x axis and near particles A and B. In terms of distance d, at what x ...
Sunday, October 11, 2009 at 11:12pm by Jeff
Physics
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles (helium nuclei, each consisting of 2 protons and 2 neutrons). (a) What is the force between the two alpha particles when they are 5.00x10^-15 m ...
Saturday, March 14, 2009 at 3:57am by Sonam
Physics 12
A block mass m1 lying on a frictionless inclined plane is connected to a mass m2 by a massless cord passing over a pulley. 1.) determine a formula for the acceleration of the system in terms of m1, m2, Ө, and g. 2.)what conditions apply to mass m1 and m2 for the ...
Sunday, February 26, 2012 at 8:07pm by Anon
Physics
When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4 Hz. Find the ratio m2/m1 of the masses. For ...
Monday, April 23, 2007 at 10:46pm by Papito
PHYSICS
you don't need the q Let M1 = moon mass; M2 = Earth mass, r = distance from spaceraft to moon, and D = Earth-moon distance When the two gravity pulls are equal, M1/r^2 = M2/(D-r)^2 [(D-r)/r]^2 = M2/M1 = 1/(0.012) (D-r)/r = 9.13 = R/r -1 D/r = 10.13 Look up D and compute r.
Wednesday, January 9, 2008 at 2:37pm by drwls
maths geometry
Find and write down a proof that the product of the gradients of two perpendicular lines is -1 Use trigonometry. Let the slope of a line from A to B be m1. Let the slope of a perpendicular line from A to C be m2. The tangent (or slope) of the line between these two lines is: ...
Sunday, February 25, 2007 at 6:45am by jigna
Physics
Apply the law of conservation of linear momentum. Let the second (struck) car's mass be M2, and the first car's mass be M1. M1*19 = (M1 + M2)*10 Solve for M2 9 M1 = 10 M2 You finish it.
Wednesday, February 1, 2012 at 11:49pm by drwls
physics!!
The two masses (m1 = 4.96 kg and m2 = 2.90 kg) in the Atwood's machine shown in the figure below are released from rest, with m1 at a height of 0.800 m above the floor. When m1 hits the ground its speed is 0.203 m/s. Assuming that the pulley is a uniform disk with a radius...
Sunday, October 21, 2012 at 7:24pm by Emily
AP Physics B
mass m1 was a robber stooper m1 was attached to a string that went through a straw on the other end of the straw the string came out and was attached to a mass m2 students spun mass m1 with hand on straw as the stopper spun around mass m2 the hanging mass was in equilibrium as...
Sunday, September 13, 2009 at 8:42pm by AP Physics B
Physics please help
A particle of mass m1, traveling at speed v0, collides head-on with a particle of mass m2 at rest. The collision is perfectly inelastic, i.e., the particles fuse together at the collision. Calculate the fraction of the initial kinetic energy dissipated in the collision. ...
Friday, April 8, 2011 at 10:33pm by Emilio
Physics
The acceleration rate is a = 4.1/7.6 = 0.5395 m/s^2 For an Atwood's machine (with no friction or pulley inertia) a = [(M1 - M2)/(M1 + M2]*g You don't need to use the 15.58 meter motion information. You know the accleration already. Total KE = (M1 +M2)Vfinal^2)/2 Use ...
Monday, October 31, 2011 at 9:36pm by drwls
Physics 1
Two small particles of mass 16 kg and 27 kg are a distance 1.4 m apart. What is the gravitational force of one of these particles on the other?_____N
Wednesday, October 3, 2012 at 9:47pm by John
Physics
The two masses (m1 = 5.0 kg and m2 = 3.0 kg) in the Atwood's machine shown in Figure 10-23 are released from rest, with m1 at a height of 0.91 m above the floor. When m1 hits the ground its speed is 1.5 m/s. Assume that the pulley is a uniform disk with a radius of 12 cm. ...
Monday, March 8, 2010 at 10:28pm by Jon
Physics
The two masses (m1 = 5.0 kg and m2 = 3.0 kg) in the Atwood's machine shown in Figure 10-23 are released from rest, with m1 at a height of 0.87 m above the floor. When m1 hits the ground its speed is 1.4 m/s. Assume that the pulley is a uniform disk with a radius of 12 cm. ...
Monday, March 8, 2010 at 8:10pm by Mary
Physics 1
This is a repost....:Two small particles of mass 16 kg and 27 kg are a distance 1.4 m apart. What is the gravitational force of one of these particles on the other?_____N
Thursday, October 4, 2012 at 11:17am by John
Physics
An object of mass m1= 203 g is on an inclined surface, that is increasing. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected to a second object of mass m2 = 598 g on the adjacent horizontal surface via a pulley at the base of...
Tuesday, October 6, 2009 at 12:09pm by Sarah
physics
For an elastic collision, both momentum and kinetic energy are conserved. Conservation of momentum: m1*v1 + m2*v2 = m1*v1f + m2*v2f where m1 and m2 are the mass of the car and truck, v1 and v2 are the initial speeds of mass 1 and mass 2, and v1f and v2f are the final speed of ...
Thursday, November 8, 2012 at 3:31pm by Jennifer
physics
A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of 5.0 s. At that instant, the kinetic energy of the system is 100 J and each mass has moved a distance of 17.5 m. Determine the values of m1 and m2.
Wednesday, March 21, 2012 at 7:57pm by john
Physics
A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of 7.0 s. At that instant, the kinetic energy of the system is 60 J and each mass has moved a distance of 24.5 m. Determine the values of m1 and m2.
Wednesday, October 26, 2011 at 12:22pm by Kayla
physics
Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg · m/s direction 2...
Wednesday, November 10, 2010 at 9:35am by cody
physics
Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg · m/s direction 2&...
Tuesday, November 9, 2010 at 10:34pm by cody
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 ...
Wednesday, January 2, 2013 at 1:27pm by Drew
mechanics
two bodies of mass m1 and m2 are attached to two ends of a string which passes over a massless and frictionless pulley. find the acceleration of the bodies and the tension of the string. m1 is bigger than m2
Thursday, November 22, 2012 at 11:19am by andrew
College Physics
A body of mass m breaks up into 2 parts of rest mass m1 and m2 with velocity v1 and v2 ,what will be the energies of m1 and m2 in terms of m,m1,m2 and c,the velocity of light.
Thursday, October 4, 2012 at 1:22pm by Krishna
Physics
A mass m1 on a horizontal shelf is attached by a thin string that passes over a frictionless pulley to a 2.5 kg mass (m2) that hangs over the side of the shelf 1.2 m above the ground. The system is released from rest at t = 0 and the 2.5 kg mass strikes the ground at t = 0.82 ...
Sunday, February 26, 2012 at 8:30pm by J
Physics
A body of mass m breaks up into 2 parts of rest mass m1 and m2 with velocity v1 and v2 ,what will be the energies of m1 and m2 in terms of m,m1,m2 and c,the velocity of light.
Thursday, October 4, 2012 at 3:41am by Krishna
phsyics
A mass, m1 = 9.36 kg, is in equilibrium while connected to a light spring of constant k = 112 N/m that is fastened to a wall. A second mass, m2 = 6.71 kg, is slowly pushed up against mass m1, compressing the spring by the amount A = 0.201 m The system is then released, and ...
Thursday, November 5, 2009 at 11:43pm by Anonymous
physics
The case of inelastic collision m1•v1+m2•0=(m1+m2)•v v= (m1•v1)/ (m1+m2). It is necessary to know the mass of a piece of wood m2. The change in kinetic energy is ΔK=K1-K2 = m1(v1)^2/2 - (m1+m2)v^2/2. For finding the percentage ((K1-K2)/K1) •100%
Thursday, February 9, 2012 at 9:48am by Elena
Science
1) Instead of using the word "random",is it acceptable to say particles in a liquid move about in "different" directions? 2) Why does ice have a higher density than water vapour? Is it because ice has a greater mass in a fixed volume? 3) The statement "...
Monday, January 26, 2009 at 8:57pm by anne
Physics
The particles in the figure below (m1=1.6 kg and m2=3.5 kg) undergo an elastic collision in one dimension. Their velocities before the collision are v1i=12 m/s and v2i=-7.5 m/s. Find the velocities of the two particles after the collision. (Indicate the direction with the sign...
Saturday, October 27, 2012 at 10:18pm by David
physics
m1 =0.0112 kg, v =? m2 = 1.01kg, u = 4.4 m/s The law of conservation of linear momentum m1•v + 0 = (m1+m2) •u, (a) v =(m1+m2) •u/m1. (b) ΔKE = m1•v^2/2 – (m1+m2) •^2/2.
Monday, April 30, 2012 at 9:12pm by Elena
physics
m1=mass of monkey=24kg m2=mass of package=35 kg Minimum tension in the rope, T = m2g If the monkey has an acceleration of a, then tension produced, T = m1(g+a) Thus m1(g+a) = m2*g Solve for a.
Monday, September 28, 2009 at 8:02pm by MathMate
physics (correction)
I mistakenly wrote the equation for the acceleration with two vertically hanging weights on a pulley. With one weight on a frictionless horizontal table, it accelerates faster. Let M1 = 5 kg and M2 = 9 kg and T = string tension T = M1*a M2*g -T = M2*a M2*g = (M1 + M2) a a = M2...
Wednesday, August 3, 2011 at 10:20pm by drwls
physics
Two blocks with mass m1 = 7.2 and m2 = 7.7 are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 45.0. The kinetic coefficient of friction between m1 and the incline is 0.22. What is the minimum value of the static ...
Sunday, October 9, 2011 at 5:01pm by Jessica
Physics, still don't get it!
I'm sorry bobpursley I don't understand your response, please clarify. When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the ...
Friday, April 6, 2007 at 2:56pm by Mary
Physics
Imagine a right-angle triangle with angle θ = 40o on the left. The serves as an increasing slope. On the slope is an object of mass m1= 340 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected ...
Tuesday, October 6, 2009 at 1:45pm by lynn
Physics
Imagine a right-angle triangle with angle θ = 40o on the left. The serves as an increasing slope. On the slope is an object of mass m1= 340 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected ...
Tuesday, October 6, 2009 at 12:41pm by LeahHH
physics
An explosion breaks an object into two pieces, one of which has 3.20 times the mass of the other. If 8000 J were released in the explosion, how much kinetic energy did each piece acquire? I started with using KE = (1/2)mv^2 and m1v1 = m2v2. Then (1/2)m1(v1)^2 + (1/2)m2(v2)^2...
Tuesday, May 29, 2007 at 11:35am by micole
physics
Two blocks with mass m1 = 4.2 kg and m2 = 4.7 kg are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 27.5°. The kinetic coefficient of friction between m1 and the incline is 0.28. What is the minimum value of the...
Saturday, December 4, 2010 at 8:28pm by sky
physics
Object 1 has a mass m1 and a velocity vector v 1 = (2.87 m/s)xhat. Object 2 has a mass m2 and a velocity vector v 2 = (3.06 m/s)yhat. The total momentum of these two objects has a magnitude of 18.6 kg · m/s and points in a direction 66.5° above the positive x-axis. ...
Saturday, October 23, 2010 at 4:38pm by aok19
Physics
A cart of mass M1 = 6 kg is attached to a block of mass M2 = 3 kg by a string that passes over a frictionless pulley. The system is initially at rest and the table is frictionless. After the block has fallen a distance h = 1 m: What is the work Ws done on the cart by the ...
Tuesday, June 13, 2006 at 12:30pm by Jamila
Physics
an object of mass m1= 311 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected to a second object of mass m2 = 355 g on the adjacent horizontal surface. Further, an external force of magnitude &#...
Tuesday, October 6, 2009 at 11:44am by Phoebe
phisics
To keep the cylinder in equilibrium both side must be equal. (m1)*(v^2/r)=(m2)*g Left side=Right side (v^2/r) = (m2)*g / m1 isolate “v” on the left… v^2 = (m12)*g*r/m1 v = sqrt((m2)*g*r /(m1)) plug in the values and you are done… v = sqrt(2.5*9.81*.2)/(1.5...
Thursday, November 5, 2009 at 5:51am by Kevin
Science
1) Instead of using the word "random",is it acceptable to say particles in a liquid move about in "different" directions? I think the alternative wording is fine. 2) Why does ice have a higher density than water vapour? Is it because ice has a greater mass ...
Monday, January 26, 2009 at 8:57pm by DrBob222
Physics
A spaceship of mass m is located between two planets of masses M1 and M2; the distance between the two planets is L. Assume that L is much larger that the radius of either planet. What is the position of the spacecraft (given as a function of L, M1, and M2) if the net force on...
Thursday, April 28, 2011 at 7:05pm by Fernando
Physics
A mass of m1 = 6.00 kg is sitting on an inclined plane, which meets the horizantal at an angle of 22.0, which has a coefficient of sliding friction of 0.290, which is 3.50 m = L. a string is attached to m1, it is strung over a pulley, and attached to mass m2 = 7.0kg which is ...
Sunday, September 30, 2012 at 6:11pm by Adrian
calculus
The position of two particles on the s-axis are s1= cos(t) and s2= cos(t+(symbol for pie)/4) a. what is the farthest apart the particles ever get? b. when do the particles collide?
Saturday, January 3, 2009 at 4:30pm by Barbara
Physics
two point masses are located in the same plane. the distance from mass 1 to the center of mass is 3.0m. The distance from mass 2 to the center of mass is 1.0m. What is m1/m2, the ratio of mass 1 to mass 2?
Tuesday, March 29, 2011 at 5:02pm by Jacob
Physic
Ok so this question was posted before but I'm confused by the answer. The problem is: The two masses (m1 = 5.0 kg and m2 = 3.0 kg) in the Atwood's machine shown in Figure 10-23 are released from rest, with m1 at a height of 0.87 m above the floor. When m1 hits the ...
Monday, March 8, 2010 at 8:47pm by Kelsey
Physics
In the configuration shown (10m incline for m1 and 8m vertical length for m2 with a spring under it, both masses are linked by a rope and a pulley at the top), the 52.0 N/m spring is unstretched, and the system is released from rest. The mass of the block on the incline is m1...
Thursday, October 25, 2012 at 2:25pm by Alphonse
Physics
In the configuration shown (10m incline for m1 and 8m vertical length for m2 with a spring under it, both masses are linked by a rope and a pulley at the top), the 52.0 N/m spring is unstretched, and the system is released from rest. The mass of the block on the incline is m1...
Thursday, October 25, 2012 at 1:31pm by Alphonse
Physics
Initially, mass one (2.10 kg) has a velocity of 5.90 m/s and mass two (2.80 kg) is at rest. After they collide, mass one emerges at an angle theta = 33.0 degrees. What is the speed of mass one after the collision if the collision is completely elastic? (Note, there are ...
Sunday, March 27, 2011 at 1:47pm by Mary
Physics
Initially, mass one (2.10 kg) has a velocity of 5.90 m/s and mass two (2.80 kg) is at rest. After they collide, mass one emerges at an angle theta = 33.0 degrees. What is the speed of mass one after the collision if the collision is completely elastic? (Note, there are ...
Sunday, March 27, 2011 at 1:47pm by Mary
AP Physics
Two particles, each of mass m and speed v, travel in opposite directions along parallel lines separated by a distance d. A)Find an expression for the magnitude L of the angular momentum of the two-particle system around a point midway between the two lines. Use m for the mass...
Friday, February 8, 2008 at 6:21pm by Darlene
physics
A mass, m1 = 5.5 kg, is in equilibrium while connected to a light spring of constant k = 132 N/m that is fastened to a wall (see a). A second mass, m2 = 10.9 kg, is slowly pushed up against mass m1, compressing the spring by the amount Ai = 0.17 m (see b). The system is then ...
Wednesday, February 6, 2013 at 11:13pm by Anonymous
Physics
A mass m1 = 5.0 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 40.0 N pulls m1 to the left a distance d = 0.77 m. 1)How much work is done by the force F on the two block system? 2)What is the final ...
Monday, October 1, 2012 at 8:32pm by J.C.
Year 11 Maths B
n1=35, total mass, m1 = 35*49 = 1715 n2=8, total mass, m2 = 8*53 = 424 Total bag count = n1+n2 total mass = m1+m2 New mean mass = (m1+m2)/(n1+n2)
Thursday, May 24, 2012 at 5:48am by MathMate
chemistry
consider a random mixture of two particles,diamond and SiC.Assume all particles are spherical with a radius of 0.100mm. The mixture is 80.0 wt% diamond(density=3.51 g/ml) and 20.0 wt% SiC (density=3.23 g/ml) a)Calculate the mass of a single particle diamond and the number of ...
Tuesday, October 2, 2012 at 12:02pm by mahtab
2 masses, pulley on a frictionless incline
an object of mass m1= 311 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected to a second object of mass m2 = 355 g on the adjacent horizontal surface. Further, an external force of magnitude &#...
Tuesday, October 6, 2009 at 11:27am by Natasha
physics
when an object of mass M1 is hung on a vertical spring and set vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4hz. Find the ratio m2/m1 of the masses. Dont you have an...
Sunday, April 1, 2007 at 6:51am by CJ
Algebra
Things would be less messy if we do the algebraic manipulations before putting in numbers. Let: Mass Moon, M2 = 7.35 E 22 kg Mass Earth, M1 = 5.98 E 24 Kg Distance Earth to Moon, D = 384,403,000 and r the distance of space craft from the centre of the earth/moon. GM1m/r&...
Wednesday, December 23, 2009 at 9:47pm by MathMate
physics
Would it be asking to much for you to use spaces instead of commas between words? Get the mass M1 of the first block from F = 40 N = M1* 2.5 m/s^2 M1 = 16 kg Dropping the second block on top increases total mass to 20 kg. With the same force acting, acceleration is reduced by ...
Saturday, January 19, 2008 at 10:53pm by drwls
Physics
The product of mass and the distance to the center of mass must be the same for both masses. m1*3 = m2*1 m1/m2 = __?
Tuesday, March 29, 2011 at 5:02pm by drwls
Physics
The sum of the two cable tensions is T1 + T2 = (M1 + M2)g = 1176 Newtons M1 = board mass (50 kg) M2 = cleaner's mass (70 kg) For the tension T1,set the moment about the other end equal to zero. Let the cleaner be 2 m from cable 1. Take moments about cable 2, 3m from the ...
Wednesday, May 18, 2011 at 7:03am by drwls
physics
Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string.M1 is on the surface and mass 2 is hanging on the surface. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.40. Calculate the speed of ...
Saturday, December 4, 2010 at 8:29pm by sky
physic
I assume the m1 is hanging vertically. This is called an Atwood machine the force of gravity acts on both, on m1,it is vertical, m1*g On m2, it is downward,of course, but the component down the plane is m2*g*sinTheta Net force=totalmass*acceleration m1*g-m2*gsinTheta=(m1+m2)*a...
Friday, October 9, 2009 at 3:22am by bobpursley
chemistry
Think about the possibility of hydration of both + and - ions and ion-dipole type "clusters" forming so those "two" particles really aren't two particles.
Monday, April 19, 2010 at 8:27pm by DrBob222
Physics- 2D Collisions
nitially, mass one (2.10 kg) has a velocity of 5.90 m/s and mass two (2.80 kg) is at rest. After they collide, mass one emerges at an angle theta = 33.0 degrees. What is the speed of mass one after the collision if the collision is completely elastic? (Note, there are actually...
Tuesday, March 29, 2011 at 5:03pm by Rob
Physics
What is the net pulling force? Answer m1(g-a). What is the acceleration of the system? Answer: netforce/mass= (m1(g-a))/(m1+M2) Observation: the acceleration each block is the same
Tuesday, July 14, 2009 at 1:26pm by bobpursley
Physics.
A mass of m1 = 12 kg is placed on an incline with an inclination angle of 50 degrees, a coefficient of kinetic friction of 0.16, and a coefficient of static friction of 0.89. m1 is tied to a rope which runs parallel to the incline and runs over a pulley to a hanging mass of m2...
Friday, October 21, 2011 at 2:20pm by Amanda
physics
With kinetic energy and momentum conservation, you have two equations in two unknowns, m1 and v2' The ' symbol denotes final conditions. m1 v1 + m2v2 = m1v1' + m2v2' (m1/2)v1^2 + (m2/2)v2^2 = (m1/2)v1'^2 + (m2/2)v2'^2 Substitute in m2 = 1.1, v1 = 1.2, ...
Thursday, January 6, 2011 at 10:21pm by drwls
Physics
Initial heights of the blocks: m1 -> H; m2 -> h Initial energy of the “two blocks” system is E1 = m1•g•H+m2•g•h When the blocks covered s=0.9 m the energy of ”two blocks+spring” system is E2= m1•g(H-s•sin&#...
Thursday, October 25, 2012 at 1:31pm by Elena
statistics
A column packing for chromatography consists of a mixture of two types of particles. Assume that the particles in the batch being sampled are spherical with a radius of 0.5 mm. 36% of the particles appeared to be pink and are known to have a polymeric stationary phase attached...
Sunday, March 28, 2010 at 4:40am by Simon
Physics
Consider two masses m1 and m2 connected by a thin string. Assume the following values: m1 = 4.51 kg and m2 = 1.00 kg. Ignore friction and mass of the string.
Tuesday, January 25, 2011 at 1:26pm by Lauren
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