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April 20, 2014

Search: Two masses are connected by a string as shown in the figure. Mass = 4.7 rests on a frictionless inclined plane, while = 5.5 is initially held at a height of = 0.75 above the floor.

Number of results: 60,420

physics
A 5.00 kg mass is connected by a light cord to a 3.00 kg mass on a smooth surface as shown in the figure. The pulley rotates about a frictionless axle and has a moment of inertia of 0.300 k∙m2 and a radius of 0.500 m. Assuming that the cord does not slip on the pulley, ...
Sunday, November 11, 2012 at 6:30pm by Anonymous

science
I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is hanging. So I draw ...
Monday, February 8, 2010 at 7:53pm by Marina

Physics
Two blocks with masses m1 = 3.9 kg and m2 = 6.7 kg are connected by a string that hangs over a pulley of mass M = 2.2 kg and radius R = 0.11 m as shown above. The string does not slip. Assuming the system starts from rest, use energy principle find the speed of m2 after it has...
Monday, November 28, 2011 at 3:55pm by John

Science
Two blocks with masses m1 = 3.9 kg and m2 = 6.7 kg are connected by a string that hangs over a pulley of mass M = 2.2 kg and radius R = 0.11 m as shown above. The string does not slip. Assuming the system starts from rest, use energy principle find the speed of m2 after it has...
Wednesday, November 30, 2011 at 5:41pm by John

Physics
The system of blocks of masses m1=3kg and m2 = 1.80 kg are connected by a string as shown. Mass m rests on a rough surface of unknown coefficient of kinetic friction. After the masses are released, they move with an acceleration of 2.80 m/s^2 (m1 moves to the right, m2 moves ...
Tuesday, February 20, 2007 at 11:16am by Matt

physics
Two packing crates of masses m1 = 10.0 kg and m2 = 4.40 kg are connected by a light string that passes over a frictionless pulley as in the figure. The 4.40-kg crate lies on a smooth incline of angle 41.0°. find the acceleration of the 4.4kg crate find the tension in the string
Wednesday, September 28, 2011 at 5:19pm by Anonymous

Physics: Three Identical Masses
Three identical masses of 640 each are placed on the x axis. One mass is at = -100 , one is at the origin, and one is at = 400 . What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the gravitational constant to be = ...
Monday, October 3, 2011 at 8:27pm by Erik

physics
Two objects of masses 10.0 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley. The 5.00kg object lies on a smooth incline of angle 40 degrees. Find the accelerations of each object and the tension in the string. Work: (10kg)(9.8m/s^2)(sin40)-...
Sunday, October 14, 2007 at 11:16am by Anonymous

Science: Physics and Chemistry
I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is hanging. So I draw lines...
Monday, February 8, 2010 at 7:24pm by Marina

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....
Tuesday, November 13, 2012 at 12:02pm by sarah

physics
1.Three masses, m1, m2, and m3, are lying on a plane without friction and are connected by a string. A force F is applied to the mass m1 so that the whole system accelerates along a straight line. What is the tension of the string T between the masses m1 and m2? What is the ...
Tuesday, May 3, 2011 at 10:29pm by Sandhya

Physics
Three balls with masses of 4 g, 6 g, and 4 g,respectively, are connected by massless rods. The balls are located (in meter intervals).What is the x-coordinate of the center of mass? Answer in units of m
Saturday, March 31, 2012 at 12:12am by Amber

physics
Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.400. The objects have masses of m1 = 3.00 kg, m2 = 1.45 kg, and m3 = 1.90 kg, and the pulleys are frictionless. Determine the ...
Saturday, October 9, 2010 at 12:34am by Amber

physics
Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.370. The objects have masses of m1 = 5.00 kg, m2 = 1.40 kg, and m3 = 2.30 kg, and the pulleys are frictionless. Determine the ...
Tuesday, March 6, 2012 at 12:11pm by Anonymous

Science: Physics and Chemistry
Can someone please help me with this??? I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only ...
Monday, February 8, 2010 at 8:20pm by Marina

physics
Three balls A, B, and C, with masses of 3 kg, 1 kg, and 1 kg, respectively, are connected by massless rods. What are the coordinates of the center of mass?
Monday, October 13, 2008 at 7:41pm by Samuel

Physics
Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.13 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 5.13 kg crate (b) find the tension in the ...
Sunday, September 30, 2012 at 4:28pm by Anonymous

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

science
two balls of masses 5m and m have radii 2r and r.their center of masses are seperated by 10r.they move towards each other under their gravitational force. the distance moved by the centre of smaller sphere when the sheres touch each other?
Tuesday, May 3, 2011 at 2:30am by vamshi

physics
The gravitational force between two metal spheres with the same masses are in outer space is 60 N. How large would this force be if the masses of each sphere were cut to a fourth of its original value? F_{attractive} =_____________ N (no rounding up)
Monday, March 3, 2014 at 2:59pm by Melissa

Physics
Two objects with masses of 1.00 kg and 7.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. (a) Determine the tension in the string. (b) Determine the acceleration of each object. (c) Determine the distance each object will ...
Tuesday, May 3, 2011 at 4:57pm by Dani

Physics URGENT!!!
Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.13 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 5.13 kg crate (b) find the tension in the ...
Sunday, September 30, 2012 at 7:51pm by Anonymous

Physics URGENT!!!
Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.13 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 5.13 kg crate B)Find the tension in the ...
Wednesday, October 3, 2012 at 11:58am by Anonymous

physics
Two packing crates of masses 10.89 kg and 2.59 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 2.59 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 2.59 kg crate B) find tension in the string
Thursday, October 4, 2012 at 11:19am by lib

Physics
The tension on any rope holding masses is the weight of the masses below it, and adding the masses*acceleration Tension=m(g+a)
Friday, July 10, 2009 at 10:07pm by bobpursley

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 ...
Saturday, February 23, 2013 at 2:01pm by jj

Physics
Three blocks of masses 1.0, 2.0, and 4.0 kilograms are connected by massless strings, one of which passes over a frictionless pulley of negligible mass, as shown above. Calculate each of the following. a. The acceleration of the 4 kilogram block b. The tension in the string ...
Sunday, February 28, 2010 at 4:46pm by Kate

Physics
Two packing crates of masses m1 = 10.0 kg and m2 = 4.10 kg are connected by a light string that passes over a frictionless pulley as in the figure. The 4.10-kg crate lies on a smooth incline of angle 33.0°. (a) Find the acceleration of the 4.10-kg crate. (b) Find the tension ...
Sunday, September 30, 2012 at 11:46pm by Cora

Physics
Two books of masses m1=10kg and m2= 20kg are connected by a rope. The horizontal force on the more massive box is 900 N. Assume there's no friction. a) what is the acceleration of the more massive box b) Acclereration of the less massive box a) f=ma 900=20a a=45m/s^2 b) f=ma ...
Wednesday, October 3, 2007 at 2:47pm by Tammy

Physics
You have to use that the masses are connected by each other via a cord that has some fixed length. This means that the two accelerations are the same. The force exterted by the cord has an opposite sign in both cases, or you have to take the accelerations to be opposite to ...
Tuesday, July 14, 2009 at 1:26pm by Count Iblis

Grammar
A compound sentence is: A) At least three simple sentences connected by a comma and a conjunction or by a semicolon and no conjunction. B) No more than two simple sentences connected by a comma and a conjunction or by a semicolon and no conjunction. C) Two or more simple ...
Wednesday, December 12, 2012 at 6:04pm by Marie

chemistry help plz
It depends on where the OH-OH- is connected on the ring, and where the -CH is connected. The compound is an aromatic structure, so the base compound is benzene, and depending on how the OH are connected, may be a phenol.
Monday, January 14, 2013 at 7:29am by bobpursley

Physics
Consider an isolated system consisting of two masses, each of which has a velocity vector in two dimensions. When these two masses collide the total momentum of the system is conserved. (a) Show that if the total momentum of the system is conserved then the component momenta ...
Sunday, March 30, 2014 at 6:04pm by Tim

Physics- Help! Due soon!
Two packing crates of masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.00 kg crate lies on a smooth incline of angle 40.0°. Find the acceleration of the 5.00 kg crate. Find the tension on ...
Wednesday, October 10, 2012 at 12:08am by Landon

Physics
Three masses that are 10 kg each are located at the corners of an equilateral triangle, with side length of 0.55m. What is the magnitude of the total force acting on one mass due to the other two masses? The answer is supposed to be 3.82e-08 N. Any help is appreciated. I'm not...
Saturday, July 28, 2012 at 11:42am by James

Physics
Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes an angle of 20.0° with...
Saturday, May 18, 2013 at 9:29pm by Joeline

physics
Well, I gave you the necessary equation but perhaps I should elaborate. You were given very precise values for the masses of the two deuterium atoms and the one He atom. Add the masses of two De atoms and subtract He atom. That is mass that disappeared, violating the laws of ...
Friday, January 22, 2010 at 4:51pm by Damon

Physics
Masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley. m1 rests on the floor and m2 rests on a fixed incline of 40degrees. The masses are released from rest, and m2 slides 1.00 m down the incline in 4.0 sec. Determine (a) ...
Saturday, November 6, 2010 at 4:24pm by Wendy

Physics
A 9.00 kg mass is connected by a light cord to a 1.00 kg mass on a smooth surface as shown in the figure. The pulley rotates about a frictionless axle and has a moment of inertia of 0.300 k∙m2 and a radius of 0.500 m. Assuming that the cord does not slip on the pulley, ...
Tuesday, November 6, 2012 at 4:02pm by Kayla

Physics helppp
In the figure below, three ballot boxes are connected by cords, one of which wraps over a pulley having negligible friction on its axle and negligible mass. The masses are mA = 30.0 kg, mB = 40.0 kg, mC = 28.0 kg. The image is a horizontal pulley, with mass mA on the left, and...
Wednesday, July 14, 2010 at 12:02pm by Sam

physics
Two blocks of masses m1 and m2 approach each other on a horizontal table with the same constant speed, v0, as measured by a laboratory observer. The blocks undergo a perfectly elastic collision, and it is observed that m1 stops but m2 moves opposite its original motion with ...
Tuesday, October 5, 2010 at 11:33pm by lizzy

Physics
Two packing crates of masses m1 = 10.0 kg and m2 = 3.50 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 3.50 kg crate lies on a smooth incline of angle 37.0°. Find the acceleration of the 3.50 kg crate. up the incline: Find the...
Monday, June 9, 2008 at 2:11pm by Elisa

Physics- Angular Momentum
A long thin rod of mass M=2.00 kg and length L=75.0 cm is free to rotate about its center. Two identical masses (each of mass m = .45kg) slide without friction along the rod. The two masses begin at the rod's point of rotation when the rod is rotating at 10.0 rad/s. A) When ...
Tuesday, December 28, 2010 at 3:22pm by Miki

Physics HELPPP PLEASEEE
Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes an angle of 20.0° with...
Saturday, May 18, 2013 at 9:29pm by Joeline

Physics
Two packing crates of masses m1 = 10.0 kg and m2 = 6.50 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 6.50 kg crate lies on a smooth incline of angle 39.0°. a)Find the acceleration of the 6.50 kg crate. m/s2 (up the incline) ...
Wednesday, September 24, 2008 at 6:29pm by scott

Astronomy
Two bodies with equal masses orbit the Sun in a circular orbit. If the radii of the two orbits are the same then following is true: a) The orbital period of the two bodies is the same because their masses are the same. b) Their orbital period of the two cannot be the same ...
Wednesday, February 11, 2009 at 6:51am by Alex

Science 8th grade
There are two clouds of material: one with widely spaced objects with small masses and one with closely packed objects with larger masses. What is more likely to form a solar system, the first or second? Use gravity to explain your answer.
Friday, January 25, 2013 at 6:17pm by Anonymous

physics
Three masses are aligned along the x axis of a rectangular coordinate system so that a 2 kg mass is at the origin, a 3kg is at (2,0) m, and a 4 kg mass is at (4,0) m. Find (a) the gravitational force exerted on the 4 kg mass by the other two masses and (b) the magnitude and ...
Sunday, December 9, 2007 at 3:33pm by Anonymous

Physics-Mechanics
A pulley is massless and frictionless. 3 kg, 2 kg (on the left), and 6 kg (on the right) masses are suspended What is the tension T1 in the string be- tween the two blocks on the left-hand side of the pulley? Can I solve this like if it was two masses? My prof gave an example ...
Wednesday, September 22, 2010 at 8:21pm by Genevieve

Physics
An Atwood's machine consists of masses m1 and m2, and a pulley of negligible mass and friction. Starting from rest, the speed of the two masses is 3.80 m/s at the end of 3.16 s. At that time, the kinetic energy of the system is 77.0 J and each mass has moved a distance of 6.00...
Thursday, February 24, 2011 at 3:26pm by devin

physics repost
Three masses are aligned along the x axis of a rectangular coordinate system so that a 2 kg mass is at the origin, a 3kg is at (2,0) m, and a 4 kg mass is at (4,0) m. Find (a) the gravitational force exerted on the 4 kg mass by the other two masses and (b) the magnitude and ...
Sunday, December 9, 2007 at 9:57pm by Anonymous

Math
Expressed to the correct number of significant figures, the sum of two masses is 445.2 grams. WHich two masses produce this answer? 1) 210.10 g+235.100g 2)210.100 g + 235.10 g 3) 210.1 g + 235.1 g 4) 210.10 g+ 235.10 g I think the answer is 2 but I don't know the reason why.
Thursday, November 6, 2008 at 10:21pm by Joanne

Physics
You have setup an experiment with two 50g masses attached to strings that are connected on opposite sides of a scale that measures weight in Newtons. a.) What is the reading on the scale? b.) The whole system is now moving to the left at a speed of 10m/s. What is the reading ...
Sunday, November 25, 2012 at 5:05pm by Tim

Physics
A long thin rod of mass M = 2:00 kg and length L = 75:0 cm is free to rotate about its center as shown. Two identical masses (each of mass m = .403 kg) slide without friction along the rod. The two masses begin at the rod's point of rotation when the rod is rotating at 10.0 ...
Saturday, December 24, 2011 at 8:02pm by Lindsay

physics
blocks 1 and 2 of masses 2 kg and 4kg, respectively, are connected by a light string, as shown above. These blocks are further connected to a block of mass 3kg by another light string that passes overr a pully of negligible mass and friction. Blocks 1 and 2 move with a ...
Tuesday, November 13, 2012 at 9:13pm by b

Physics
When two resistors are connected in series across a 12-V battery, 1.1A flows. When they are connected in parallel across the same battery, 6.3A flows. What is the smaller resistor's value?
Thursday, March 20, 2014 at 1:06pm by Bano

Physics
1 = 4.00 kg and m2 = 9.00 kg are connected by a ... physics - Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a ... physics - Objects of masses m1 = 4.00 kg and m2 = 9
Wednesday, September 19, 2012 at 5:20pm by ool Subj

Chemistry
A 260-ml flask contains pure helium at a pressure of 756torr . A second flask with a volume of 470ml contains pure argon at a pressure of 717 torr . A)If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of helium? B)If ...
Friday, October 16, 2009 at 3:20pm by Rose

physic
Hi!Question:Two packing crates of masses m1 = 10.0 kg and m2 = 6.50 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 6.50 kg crate lies on a smooth incline of angle 45.0°. Find the acceleration of the 6.50 kg crate. ...
Friday, October 9, 2009 at 3:22am by Chan

physics
Two objects with masses of 2.30 kg and 7.40 kg are connected by a light string that passes over a frictionless pulley (a) Determine the tension in the string. (Enter the magnitude only.) (b) Determine the acceleration of each object. (Enter the magnitude only.) (c) Determine ...
Wednesday, September 28, 2011 at 8:06pm by Anonymous

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...
Tuesday, January 20, 2009 at 9:59pm by Jaime

General Physics 1
A simple Atwood's machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 4.8 m/s at the end of 5.5 s. At that time, the kinetic energy of the system is 33 J and each mass has moved a distance of 13.2 m. 1. Find the value of ...
Friday, July 26, 2013 at 1:03pm by Charles

Physics
A simple Atwood’s machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 4.1 m/s at the end of 7.6 s. At that time, the kinetic energy of the system is 86 J and each mass has moved a distance of 15.58 m. Find the value of ...
Monday, October 31, 2011 at 9:36pm by Maxx

Chemistry
The general formula for moment of inertia is: I = Sigma mi * ri^2 (mi is mass of atom, ri is distance to axis of rotation) In a diatomic molecule, the moment of inertia is I = ma*mb(ma+mb) * R^2 (R is distance between atoms, ma and mb are masses of two atoms) How is the ...
Monday, February 16, 2009 at 3:44pm by chemstudent

Science
Two blocks (one 10kg; other 5 kg) are connected by a string that runs over the surface of a frictionless table. 1. Are the masses moving or stationary? 2. Whats the accelaration of the 10 kg mass 3. whats the acceleration of the 5 kg mass? if the string is cut when 5 kg mass ...
Monday, September 17, 2012 at 1:47pm by Lee

College Chemistry (Hard)
I think you have the reaction screwed up. I suspect you mean a D-T reaction 3H1 + 2H1 >> 4He2 + 1n0 add the masses on the left, you were given each. Add the masses on the right. You were given them. Subtract the masses on the right from the masses on the left. The result...
Monday, April 5, 2010 at 10:22pm by bobpursley

pulley and rotation
Two masses, mA = 35.0 kg and mB = 42.0 kg, are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius 0.50 m and mass 4.8 kg. Initially mA is on the ground and mB rests 2.5 m above the ground. If the system is released, use ...
Thursday, March 11, 2010 at 8:11pm by Anonymous

physics HELPP!!!!!!!
A 6.00 kg mass is connected by a light cord to a 1.00 kg mass on a smooth surface as shown in the figure. The pulley rotates about a frictionless axle and has a moment of inertia of 0.400 k∙m2 and a radius of 0.700 m. Assuming that the cord does not slip on the pulley, ...
Wednesday, November 14, 2012 at 8:55am by anon

physics
Two resistors connected in series have an equivalent resistance of 790.6 . When they are connected in parallel, their equivalent resistance is 170.2 . Find the resistance of each resistor. (small value) (large value)
Monday, February 20, 2012 at 9:04pm by Anonymous

Angular Momentum
A long thin rod of mass M = 2.00 kg and length L = 75.0 cm is free to rotate about its center as shown. Two identical masses (each of mass m = .421 kg) slide without friction along the rod. The two masses begin at the rod's point of rotation when the rod is rotating at 10.0 ...
Monday, July 11, 2011 at 10:37pm by jhay

PHYSICS
Two bulbs are connected in parallel across a source of emf EMF = 10.0V with a negligible internal resistance. One bulb has a resistance of 3.0 Omega , and the other is 2.5 Omega . A resistor R is connected in the circuit in series with the two bulbs. What value of R should be ...
Thursday, August 23, 2012 at 12:34am by sarah

physics (gravity) and math
Since the force is given by F = (constant)*M1*M2/R^2 , The new force, after the changes, will be higher by a factor (1.6)^2/(0.5)^2 = 10.24 That means there is a 924% increase. You do not have to know the actual masses and distances to make that conclusion. M1 and M2 are the ...
Tuesday, November 22, 2011 at 10:08am by drwls

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;...
Friday, July 3, 2009 at 10:12pm by anne

physics
Two blocks with masses m1 = 1.10 kg and m2 = 3.10 kg are connected by a massless string, as shown in the Figure (the figure shows m1 on top of a box and m2 hanging off the side of the box). They are released from rest. The coefficent of kinetic friction between the upper block...
Tuesday, February 28, 2012 at 3:53pm by meyer

physics
Two blocks with masses m1 = 1.10 kg and m2 = 3.10 kg are connected by a massless string, as shown in the Figure (the figure shows m1 on top of a box and m2 hanging off the side of the box). They are released from rest. The coefficent of kinetic friction between the upper block...
Tuesday, February 28, 2012 at 3:55pm by meyer

Physics
Two masses m are attached to two vertices of an equilateral triangle made of three massless rods of length l. A pivot is located at the third vertex, and the triangle is free to swing back and forth in a vertical plane. If it is initially released from rest when one of the ...
Wednesday, October 10, 2012 at 2:40pm by Anonymous

PHYSICS 2
Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the total current from...
Friday, January 25, 2013 at 6:39pm by PLEASE HELP

pHYSICS
Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the total current ...
Saturday, January 26, 2013 at 9:28pm by PLEASE HELP

PHYSICS
When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.73 A. When the resistors are connected in parallel to the battery, the total current from the battery is 10.1 A. Determine the two resistances.
Friday, January 25, 2013 at 3:29pm by PLEASE HELP

Physics
Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of a horizontal table ...
Wednesday, March 6, 2013 at 9:14pm by Heidi

Physics
Hi, I've been having issues with solving this problem. Could anyone help? Two blocks, of masses M = 2.0 kg and 2M are connected to a spring of spring constant k = 215 N/m that has one end fixed, as shown in the figure below. The horizontal surface and the pulley are ...
Sunday, March 21, 2010 at 3:09pm by Jack

university of redlands
Two blocks connected by a string are on a horizontal frictionless surface. The blocks are connected to a hanging weight by means of a string that passes over a pulley as shown in the figure below, where m1 = 1.85 kg, m2 = 2.80 kg, and m3 = 5.05 kg.
Monday, September 24, 2012 at 10:54pm by Anonymous

Physics
Two resistors connected in series have an equivalent resistance of 783.4 Ω. When they are connected in parallel, their equivalent resistance is 171.3 Ω. Find the resistance of each resistor. 1) small resistance (ohm) 2) large resistance (0hm)
Sunday, September 8, 2013 at 1:54am by gita

Physics/mats
Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of a horizontal table ...
Thursday, March 7, 2013 at 11:58am by HP

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 kg·m2, a ...
Thursday, March 25, 2010 at 1:06am by Mary

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 ...
Monday, October 14, 2013 at 2:19pm by Leticia

engineering science
The power in a resistor RLOAD of 10 Ω when connected to a 100 volt supply is measured using a voltmeter and ammeter. There are two possible ways of connecting the meters as shown in FIGURE 2. The resistances RA and RV represent the internal resistances of the ammeter and ...
Thursday, December 9, 2010 at 7:18am by David

Physics
Three identical masses of 700 each are placed on the x axis. One mass is at = -100 , one is at the origin, and one is at = 370 . What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the gravitational constant to be = ...
Thursday, February 7, 2013 at 2:20pm by Tamar

physics rotations-please help
Two masses, mA = 35.0 kg and mB = 42.0 kg, are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius 0.50 m and mass 4.8 kg. Initially mA is on the ground and mB rests 2.5 m above the ground. If the system is released, use ...
Thursday, March 11, 2010 at 9:06pm by Liz

Physics
A)Two identical resistors are connected in parallel across a 30-V battery, which supplies them with a total power of 7.0 W. While the battery is still connected, one of the resistors is heated so that its resistance doubles. The resistance of the other resistor remains ...
Saturday, October 22, 2011 at 8:33pm by Kristi

Physics
A)Two identical resistors are connected in parallel across a 30-V battery, which supplies them with a total power of 7.0 W. While the battery is still connected, one of the resistors is heated so that its resistance doubles. The resistance of the other resistor remains ...
Monday, October 24, 2011 at 12:56pm by Kristi

Physics
Three masses are connected by massless rigid rods. Rods AC and CB have length l= 16.6 cm. If massA=115.0 g, massB=206.0 g, and massC=310.0 g, what are the coordinates of the center of mass? (Enter your answer for the x coordinate first, followed by the y coordinate.)
Monday, November 15, 2010 at 10:50am by Bella

chemistry 105
A 260-mL flask contains pure helium at a pressure of 743 torr. A second flask with a volume of 480 mL contains pure argon at a pressure of 715 torr. If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of helium? in torr ...
Sunday, October 23, 2011 at 5:52pm by JULIE

physics
Four masses are arranged as shown. They are connected by rigid, massless rods of lengths 0.50 m and d = 0.73 m. What torque must be applied to cause an angular acceleration of 0.63 rad/s2 about the axis shown? 4 kg 3 kg 5 kg 2 kg
Saturday, March 9, 2013 at 4:50pm by crixus

Physics
If you are talking about two masses establishing thermal equilibrium with each other, the statement is false. The heat energy transferred to one equals the heat energy received by the other. If you are talking about two masses at the same temperature establishing thermal ...
Tuesday, June 21, 2011 at 9:49pm by drwls

physics
Child X throws 0.5 kg of Play Dough at Child Y at 0.40 m/s at the same time that Child Y throws 0.8 kg of Play Dough at Child X at 0.20 m/s. The two masses of Play Dough collide and stick. What is the resulting speed and direction of the Play Dough? What are the kinetic ...
Tuesday, October 30, 2012 at 1:15am by unknown

physics
Two masses are slideing on a horizon frictionless surface. A 10 kg mass has a velocity of 9 m/s in the x direction and a 20 kg mass has a velocity of 12 m/s in the y direction .the masses collide and stick together, what is he final velocity of the composite mass? Draw and ...
Saturday, April 27, 2013 at 11:05am by monea

physics
Your car's 31.5 W headlight and 2.15 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume if connected in series to a 12.0 V battery? (Neglect any other resistance in the circuit and any change in resistance...
Sunday, February 24, 2013 at 8:05pm by taryn

HELP!!!
A light, inextensible cord passes over a light, frictionless pulley with a radius of 10 cm. It has a(n) 24 kg mass on the left and a(n) 6.1 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 4.3 m apart. The acceleration of ...
Thursday, February 14, 2013 at 8:54pm by Anonymous

Physics
Block A has a mass of 2.60 kg and rests on a smooth (frictionless) table and is connected to block B, which has a mass of 2.40 kg, after passing over an ideal pulley, as shown. Block B is released from rest. What is the acceleration of the masses?
Sunday, September 30, 2012 at 11:15pm by Anthony

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