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March 29, 2015

Search: Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.36 g and a charge of magnitude q. The balls are attracted to each other, and the threads attached to the balls make an angle of 20.0° with the vertical

Number of results: 76,864

physics
Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.14g and a charge of magnitude q. the balls are attracted to each other. When in equilibrium, the balls are separated by a distance of 2.05cm and the threads attached to the balls make an ...
January 18, 2013 by stoic-rider77

physics
Two identical small insulating balls are suspended by separate 0.17 m threads that are attached to a common point on the ceiling. Each ball has a mass of 7.40 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical positive charges and...
February 27, 2014 by Jen

physics
Two identical small insulating balls are suspended by separate 0.23-m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.70 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical positive charges and...
September 3, 2009 by teri

physics im stuck
Two identical small insulating balls are suspended by separate 0.27 m threads that are attached to a common point on the ceiling. Each ball has a mass of 6.20 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical positive charges and...
August 31, 2008 by physdummy

physics
Two identical small insulating balls are suspended by separate 0.17 m threads that are attached to a common point on the ceiling. Each ball has a mass of 7.40 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical positive charges and...
February 27, 2014 by Jen

Physics
Three identical small Styrofoam balls of mass 1.53 g are suspended from a fixed point by three nonconducting threads, each with a length of 56.4 cm and negligible mass. At equilibrium the three balls form an equilateral triangle with sides of 31 cm. What is the common ...
April 12, 2012 by John

Physics
Two equally charged insulating balls each weigh 0.42 g and hang from a common point by identical threads 35 cm long. The balls repel each other so that the separation between their centers is 6.4 cm. What is the magnitude of the charge on each ball? I have tried using similar ...
January 17, 2013 by Nicole

physics
2. Two equally charged balls, each of mass 0.10 gm, are suspended from the same point by threads 13 cm long. The balls come to rest 10 cm apart due to electrostatic repulsion. Determine the charge on each ball.
March 3, 2011 by ike

physics
2. Two equally charged balls, each of mass 0.10 gm, are suspended from the same point by threads 13 cm long. The balls come to rest 10 cm apart due to electrostatic repulsion. Determine the charge on each ball.
March 3, 2011 by ike

physics
2. Two equally charged balls, each of mass 0.10 gm, are suspended from the same point by threads 13 cm long. The balls come to rest 10 cm apart due to electrostatic repulsion. Determine the charge on each ball.
March 4, 2011 by ike

physics
Two equally charged balls, each of mass 0.10 gm, are suspended from the same point by threads 13 cm long. The balls come to rest 10 cm apart due to electrostatic repulsion. Determine the charge on each ball.
March 5, 2011 by ike

physics
Two 0.09 pith balls are suspended from the same point by threads 40 long. (Pith is a light insulating material once used to make helmets worn in tropical climates.) When the balls are given equal charges, they come to rest 19 apart. What is the magnitude of the charge on each ...
January 23, 2010 by Lanise

physics
Two 0.09 pith balls are suspended from the same point by threads 40 long. (Pith is a light insulating material once used to make helmets worn in tropical climates.) When the balls are given equal charges, they come to rest 19 cm apart What is the magnitude of the charge on ...
January 23, 2010 by Lanise

Physics
Two identical balls each have a charge of -7.5x10^-6C. The balls hang from identical strings that are 8 from the vertical because of the repulsive force between the charged balls. The balls are separated by a distance of 10cm. What is the tension in one of the strings? What ...
January 31, 2013 by Physics...

Physics
Two small balls each of mass 15g are fastened to the ends of silk threads 1m long each and hung from a common point. They attain equilibrium at a distance of 20cm from each other. If one ball has a charge of -0.6microC, what is the charge of the other ball?
January 28, 2013 by Gabriel Dungca

Physics super difficult for me
Two small balls each of mass 15g are fastened to the ends of silk threads 1m long each and hung from a common point. They attain equilibrium at a distance of 20cm from each other. If one ball has a charge of -0.6microC, what is the charge of the other ball?
January 28, 2013 by Gabriel

physics
Two identical balls each have a charge of -7.5x10^-6C. The balls hang from identical strings that are 8 from the vertical because of the repulsive force between the charged balls. The balls are separated by a distance of 10cm. What is the tension in one of the strings? What ...
January 29, 2007 by Ann

Physics - Charge on pith balls
Two pith balls equally charged and each with a mass of 1.5. White one ball is suspended by a thread, the other is brought close to it and a state of equilibrium is reached. In that situation, the two balls are separated by 2.6cm and the thread attached to the suspended ball ...
October 18, 2010 by Anonymous

Physics
Pith Balls Two small pith balls, each of mass m = 17.7 g, are suspended from the ceiling of the physics lab by 0.8 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 42.6, and the charges on the two balls are equal, what is ...
June 7, 2012 by Jenipher

Science, Physics
The Pith balls may be positive, negative or neutral. Four pith balls are suspended by insulated threads. The following reaction occurs. a) #2 pith ball is positively charged b) #2 attracts all the other pith balls,. c) #1 and#3 pith balls repel each other. d) #4 attracts all ...
March 28, 2010 by Sagal

physics
Two small pith balls, each of mass m = 16.6 g, are suspended from the ceiling of the physics lab by 1.8 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 19, and the charges on the two balls are equal, what is the magnitude ...
June 6, 2012 by Becky

Physics
Two small pith balls, each of mass m = 10.1 g, are suspended from the ceiling of the physics lab by 0.8 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 42.1, and the charges on the two balls are equal, what is the ...
June 6, 2012 by Tom Brady

Physics
Two small pith balls, each of mass m = 16.6 g, are suspended from the ceiling of the physics lab by 1.8 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 19, and the charges on the two balls are equal, what is the magnitude ...
June 6, 2012 by Sami

Physics
Two small pith balls, each of mass m = 17.4 g, are suspended from the ceiling of the physics lab by 1.2 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 17.9, and the charges on the two balls are equal, what is the magnitude ...
September 5, 2014 by Phil

physics im stuck
A small plastic ball of mass 6.10 10^-3 kg and charge +0.150 C? A small plastic ball of mass 6.10 10^-3 kg and charge +0.150 C is suspended from an insulating thread and hangs between the plates of a capacitor. The ball is in equilibrium, with the thread making an angle of ...
August 31, 2008 by physdummy

Physics
Two balls are approaching each other head on. Their velocities are + 9.55 and -11.0 m/s (a) Determine the velocity of the center of mass of the two balls if they have the same mass. (b) Determine the velocity of the center of mass of the two balls if the mass of one ball(v=9....
March 2, 2007 by Cavin

physics
There are two pit balls equally charged and each with a mass of 1.5g. While one ball is suspended by a thread, the other is brought close to it and state of equilibrium is reached. In that situation,the two balls are seperated by 2.6cm and the thread attached to the suspended ...
January 5, 2015 by Connor

physics
The charge on two pith balls can be calculated by knowing their masses and observing the angle of separation between the balls. If both balls are equally charged and they are suspended by strings that are 1.0 m long, calculate that charge. (mass for both balls = 0.003kg) angle...
June 7, 2014 by grey

physics
Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 30.4, and the charges on the two balls are equal, what is the ...
June 5, 2012 by bossman

physics
Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 30.4, and the charges on the two balls are equal, what is the ...
June 5, 2012 by Hannah (Please Help)

physics
Two balls are approaching each other head-on. Their velocities are +9.30 and -12.1 m/s. Determine the velocity of the center of mass of the two balls for the following conditions. (Use the sign of your answer to indicate the direction.) (a) They have same mass. m/s (b) The ...
November 9, 2011 by Taylor

Physics
Two balls are approaching each other head-on. Their velocities are +10.00 and -12.8 m/s. (a) Determine the velocity of the center of mass of the two balls if they have the same mass. m/s (b) Determine the velocity of the center of mass of the two balls if the mass of one ball...
November 2, 2008 by Brandon

Gen physics
Two balls are approaching each other head-on. Their velocities are +11.9 and -10.5 m/s. Determine the velocity of the center of mass of the two balls if (a) they have the same mass and (b) if the mass of one ball (v = 11.9 m/s) is twice the mass of the other ball (v = -10.5 m/...
July 22, 2013 by ODU

physics
Two balls are approaching each other head-on. Their velocities are +11.9 and -10.5 m/s. Determine the velocity of the center of mass of the two balls if (a) they have the same mass and (b) if the mass of one ball (v = 11.9 m/s) is twice the mass of the other ball (v = -10.5 m...
July 25, 2013 by tcc

physic
Two spherical balls are placed so their centers are 2.6 m apart. The force between the two balls is 2.75 x 10-12 N. What is the mass of each ball if one ball is twice the mass of the other ball?
January 18, 2010 by susan

Physics Please HELP!!!!!!!!!
Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 30.4, and the charges on the two balls are equal, what is the ...
June 5, 2012 by T-HUD

physics
Calculate the density of the balls in this area. Each ball has a mass of 1 kg. Estimate the area taken up by the whole structure by looking in the Parameters Palette for the diameter of the balls and multiplying this by the number of balls on each side. Record below the total ...
November 13, 2011 by KAy

science
two identical 200 gram balls of diameter 3.0 cm are 5.0 cm apart. each carries a charge of 6.5 micro coulombs. one of the balls is realesed. find its acceleration if gravitational force is negligible small?
August 19, 2011 by Aaron

Physics, Electricity and Magnetism, Sciences
Two small pith balls, each of mass m = 17.4 g, are suspended from the ceiling of the physics lab by 1.2 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 17.9, and the charges on the two balls are equal, what is the magnitude ...
September 5, 2014 by Bryan

basic electronics
What would happen if the two pith balls shown in Figure A-1 were held together for a few moments, then released? A. The charge would leak off and the pith balls would hang straight down. B. The pith balls would each receive a negative charge and they would move apart. C. The ...
January 16, 2014 by ed

physics
Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0 with the vertical. The ...
February 8, 2010 by Adam

Physics
Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0 with the vertical. The ...
February 8, 2010 by Adam

physics
Two identical steel balls, each of mass 5.0 kg, are suspended from strings of length 29 cm so that they touch when in their equilibrium position. We pull one of the balls back until its string makes an angle θ = 25 with the vertical and let it go. It collides elastically...
March 2, 2012 by Katie

Physics
In the figure, two balls are located in deep space. The black ball has mass 56kg and the red ball has mass 17kg. The distance between the two balls is r=24cm. (a) Find the magnitude of the acceleration of the red ball. m/s2 (b) If r is 5 times larger, with what factor will the...
March 8, 2012 by Sarah

Physics
Two balls, each with mass 0.5g and carrying charge Q, are hung on strings 35cm and suspended from one point. The balls repel and form a 40 degree angle between them. What is the charge? CAN YOU WALK ME THROUGH THIS QUESTION?
January 30, 2011 by Nick

statistic
a box contain 5red balls,6 white balls,and 6black ball.two balls are drown but not replaced.find the probsbilty that both balls are of the same colour
August 20, 2014 by junu

Math
A bag contains 5 balls,8 white balls, 9 green balls,7 blue balls& 6 yellow balls.A ball is drawn at random .Find the probablity that the ball in neither green nor red ?
March 8, 2012 by Rajit Rastogi

college physics
Two small spheres, each with mass m=3g and charge q, are suspended from a point by threads of length L=0.22m. What is the charge on each sphere if the threads make an angle theta of 15 degrees with the vertical?
September 17, 2009 by erin

college physics
Two small spheres, each with mass m=3g and charge q, are suspended from a point by threads of length L=0.22m. What is the charge on each sphere if the threads make an angle theta of 15 degrees with the vertical?
September 17, 2009 by erin

Physics
Two balls of equal mass (400g each) undergo a collision. One ball is initially stationary. After the collision, the velocities of the balls make angles of 22.5 degrees and 35.9 degrees relative to the original direction of the motion of the moving ball. If the initial velocity...
March 22, 2015 by Zobia

statistics
A jar contains 7 red balls, 5 green balls, 4 blue balls, and 3 white balls. A sample of size 7 balls is selected at random without replacement . Find t the probability that sample contains two red balls, 2 green balls, 2 blue balls, and 1 white ball.
December 26, 2014 by kp

physics please help :)
a.the gravitational force between 2 electrons 1.00m apart is 5.42x10^-71 N. Find the mass of an electron. b.2 spherical balls are placed so their centres are 2.6m apart. The force between the balls is 2.75x10^-12N. What is the mass of each ball if one ball is twice the mass of...
December 8, 2009 by Anonymous

Physics
A ball of mass m1= .250 kg and velocity v01 = + 5 m/s collides head-on with a ball of mass m2= .800 kg that is initially at rest (v02 = 0 m/s). No external forces act on the balls. If the collision is elastic, what are the velocities of the balls after the collision?
September 16, 2010 by zevi

Math
"In vase A, there are 3 red balls and 5 white balls. In vase B, there are 6 red balls and 4 white balls. Two balls are to be drawn at random, without replacement, from each vase. What is the probability of selecting 4 red balls?" (Answer: 1/28) So I thought about doing 4 cases...
May 3, 2010 by Stuck

probability
there are 4 white balls and 6 red balls in a sack. If two balls are taken out successively ( the first ball is not replaced ) what is the probability that the balls are drawn are of different colors?
March 27, 2012 by karlo

Math
Assume that you are drawing two balls without replacement from an urn that contains 13 green balls, 10 blue balls, and 1 red ball. What is the probability that you will draw a blue balls and a red ball?
June 12, 2014 by Sarah

Math
A box containing 20 yellow balls, 9 red balls and 6 blue balls. If the balls are selected at random, what is the smallest number of balls that need to be selected so you will select at least two balls of each colour
May 4, 2014 by Baby girl

statistics
Two urns each contain yellow balls and black balls. Urn 1 contains 2 yellow balls and 6 black balls. urn2 contains 2 yellow balls and 5 black balls. A ball is drawn from each urn. What is the probability that both balls are yellow? Please show me how do do this math problem.
March 12, 2008 by cortnie

science
Three lead balls of mass m1 = 14 kg, m2 = 26 kg, and m3 = 8.7 kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force.
October 21, 2012 by jane

physics
A ball of mass Ml = 0.250 kg and velocity V01 = +5.00 m/s (see Figure) collides head-on with a ball of mass M2 = 0.800 kg that is initially at rest. No external forces act on the balls. a) What was the kinetic energy of the first ball before the collision; b) If the collision ...
May 21, 2011 by Fabiana

Physics
Two balls are connected by a string that stretches over a massless, frictionless pulley. Ball 1 has a mass of 0.45 kg and is held 0.74 m above the ground. Ball 2 has a mass of 5.7 kg and is held 0.88 m above the ground. When the balls are released, ball 2 falls to the ground, ...
December 21, 2008 by jason

physic
Two balls are conneted by a string that stretches over a massless, frictionless pulley. Ball 1 has a mass of 0.81 kg and is held 0.5 m above the ground. Ball 2 has a mass of 6.3 kg and is held 0.28 m above the ground. When the balls are released, ball 2 falls to the ground, ...
January 15, 2012 by Anonymous

Physics
Three lead balls of mass m1 = 16kg, m2 = 26kg, and m3 = 9.3kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force. magnitude N direction ...
June 14, 2013 by Jody

Physics
Two balls are involved in a completely inelastic collision. The first ball has a mass of 0.25 kg and an initial velocity of 9.27 m/s in the x-direction The second ball has a mass of 0.50 kg with an initial velocity of 2.61 m/s in the -x-direction. What is the speed of the two ...
July 9, 2012 by M

statistics
A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly selected, without replacement, until 2 of the same colour are obtained. Calculate the probability that more than 3 balls must be selected.
August 7, 2014 by Koala

physics
Three lead balls of mass m1= 13kg, m2= 26kg, and m3= 9.6kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force
November 4, 2012 by Anonymous

Dynamics
Two moving balls collide together. Determine the magnitude of their common final velocity. The first ball of mass o.5 kg and a velocity va = 3i+5j m/s. The second ball B has a mass of 1 kg and a velocity vb = 1.2i-j+1.8k m/s
July 31, 2012 by Rajan

math
a box filled with identically shaped balls contains 5 balls with the number 1 on them, 8 balls with the numbers 10 on them, 15 balls with the number 12, and 2 balls with the number 20 on them. If the balls cannot be seen from outside the box, and if one ball is picked at ...
July 31, 2013 by tg

math
A toy baseball bat comes with 3 plastic balls in a box that is a rectangular solid. The box is just big enough to hold the 3 balls. The radius of the balls is 1.9 in. What is the volume of the air in the box surrounding the balls?
December 20, 2009 by kate

Math
A drawer contains 64 balls. Each ball is one of 8 colors, and there are 8 balls of each color. If the balls in the drawer are thoroughly mixed and you randomly choose two of them, what is the possibility that these two balls will have the same color?
June 6, 2014 by Mickle

Math
A bag contains 5red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that the two balls drawn are both red?
April 16, 2012 by Sue

physics
A 0.200 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.100 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 0....
December 25, 2009 by Heart

math
if a ball is selected at random from an urn containing two red balls, three white balls and five blue balls, what is the probability that it will be a white ball
November 10, 2014 by mai

Physics
Two 0.09g pith balls are suspended from the same point by threads 40cm long. (Pith is a light insulating material once used to make helmets worn in tropical climates.) When the balls are given equal charges, they come to rest 19 cm apart What is the magnitude of the charge on ...
January 25, 2010 by Lanise

phyics
A 0.2 kg plastic ball moves with a velocity of 1.5 m/s. It collides with a second plastic ball of mass 1.8 kg, which is moving along the same line at a speed of 0.1 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 1.8 kg ...
April 11, 2013 by MEEEEE

College Physics
Two balls have masses 44 kg and 86 kg. The 44 kg ball has an initial velocity of 80 m/s (to the right) along a line joining the two balls and the 86 kg ball is at rest. The 86 kg ball has initial velocity of −24 m/s. The two balls make a head-on elastic collision with ...
August 9, 2011 by Walsh

Physics
Two balls have masses 44 kg and 86 kg. The 44 kg ball has an initial velocity of 80 m/s (to the right) along a line joining the two balls and the 86 kg ball is at rest. The 86 kg ball has initial velocity of −24 m/s. The two balls make a head-on elastic collision with ...
August 9, 2011 by Eddy

Physics
two identical brass balls mounted on wooden posts initially have different amounts of charge, one plus 3 uC and the other plus 15 uC. The balls are allowed to touch and then separate again. What is the final charge on each ball?
October 26, 2013 by Alison

math
Hitomi has a total of 30 red and blue bowling balls ate her bowling alley. Each red ball weighs 8 lb. Each blue ball weighs 9 lb. If the total mass of the blue balls is 49 lb. heavier than the total mass of the red balls, how many red balls does she have?
March 2, 2011 by anna

physics
Two balls have masses 44 kg and 86 kg. The 44 kg ball has an initial velocity of 80 m/s (to the right) along a line joining the two balls and the 86 kg ball is at rest. The 86 kg ball has in initial velocity of −24 m/s. The two balls make a head-on elastic collision with...
August 9, 2011 by James

Math
Four balls are simultaneously picked at random from a jar containing 2 red balls, 2 green balls, and 6 yellow balls. What is the probability that exactly two of the selected balls will be red?
November 15, 2010 by Molly

Physics
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and hangs between the plates of a capacitor. The ball is in equilibrium, whit the tread making an angle of 30 degrees with respect to the vertical. The ...
February 6, 2008 by Trevor

Physics
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and hangs between the plates of a capacitor. The ball is in equilibrium, whit the tread making an angle of 30 degrees with respect to the vertical. The ...
February 6, 2008 by Trevor

physics
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and hangs between the plates of a capacitor. The ball is in equilibrium, whit the tread making an angle of 30 degrees with respect to the vertical. The ...
February 6, 2008 by Trevor

Physics
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and hangs between the plates of a capacitor. The ball is in equilibrium, whit the tread making an angle of 30 degrees with respect to the vertical. The ...
February 6, 2008 by Trevor

Physics
if you had two ping pong balls (or golf balls, or tennis balls), both carrying the maximum possible positive electrical charge, and you also had insulating gloves that allowed you to pick them up without being shocked, would you be strong enough to make the charged balls touch...
March 29, 2012 by Amber

coll physics II
A small plastic ball of mass 6.10 10^3 kg and charge +0.150 C is suspended from an insulating thread and hangs between the plates of a capacitor. The ball is in equilibrium, with the thread making an angle of 30.0 with respect to the vertical. The area of each plate is 0....
August 29, 2008 by physdummy

Math
A bag contains 5 red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that two balls drawn are both red?
April 16, 2012 by Sandeep

math
Hitomi has a total of 30 red and blue bowling balls at her bowling alley. Each red ball weighs 8 lb. each blue ball weighs 9 lb. If the total mass of the blue balls is 49 lb. heavier than the total mass of the red balls, how many red balls does she have???
March 1, 2011 by Katherine

math
Hitomi has a total of 30 red and blue bowling balls at her bowling alley. Each red ball weighs 8 lb. Each blue ball weighs 9 lb. If the total mass of the blue balls is 49 lb. heavier than the total mass of the red balls, how many red balls does she have?
March 3, 2011 by Katherine

physics
A small plastic ball with a mass of 7.00 10-3 kg and with a charge of +0.162 C is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0 with respect to the ...
September 3, 2009 by amber

physics
A small plastic ball with a mass of 7.00 10-3 kg and with a charge of +0.162 C is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0 with respect to the ...
September 3, 2009 by teri

Physics
A small plastic ball with a mass of 6.80 10-3 kg and with a charge of +0.161 C is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0 with respect to the ...
January 29, 2013 by Anonymous

Physics
A small plastic ball with a mass of 6.80 10-3 kg and with a charge of +0.161 C is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0 with respect to the ...
January 29, 2013 by Anonymous

physics
A 0.203 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.106 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction, and the speed of the...
April 7, 2011 by Joey

physics
A 0.210 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.109 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction, and the speed of the...
April 7, 2011 by James

physics
A 0.210 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.109 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction, and the speed of the...
April 8, 2011 by James

math
A box containing 5 red balls and 3 green balls weighs 43 g. When the box contains 3 red balls and 5 red balls it weighs 37g. When it contains one ball of each it weighs 19g. What is the mass of the box and of each ball.
December 3, 2012 by Bogusgirl

maths-probabilty
A box contains 5 red balls and 6 black balls. in how many ways can 6 balls be selected so that there are at least two balls of each color?
March 12, 2013 by anoynomous

Physics
A billiard ball traveling at 6.25 m/s collides with a second stationary ball of equal size and shape causing the second ball to move at an angle of 25 with respect to the horizontal at a speed of 3.0 m/s.Both balls have a mass of .210kg. What is the impulse of both balls and ...
January 4, 2014 by Lisa

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