Friday

April 18, 2014

April 18, 2014

Number of results: 21,059

**physics**

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 = 1.75 kg, m2 = 2.85 kg, and m3 = 4.95 kg. (a) Find the tension T in ...
*Tuesday, February 8, 2011 at 10:55am by Anonymous*

**physics**

A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that your drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
*Saturday, November 21, 2009 at 6:26pm by jon*

**physics**

a particle a of mass 2kg and particle b of mass 1kg are connected by alight elastic string c, and initially held at rest 0.9m apart on a smooth horizontal table with the string in tension. they are then simultaneously released . the string releases 12j of energy as it ...
*Sunday, July 7, 2013 at 5:53am by isaac*

**PreCalculus**

The question is probably much more difficult than your teacher anticipated. Lift is in the vertical direction, and lift is equal to the sum of weight and the downward component of tension. Assuming the tension is perpendicular to the kits, then the force in the direction of ...
*Sunday, March 8, 2009 at 4:35pm by bobpursley*

**Physics**

A ball on the end of a string is revolved at a uniform rate in a vertical circle of radius 72.0m, as shown in figure. If it's sped is 4.00 m/s and its mass is .300kg. Calculate the tension in the string when the ball is a). at the top of its path and b). when it's at the ...
*Tuesday, February 22, 2011 at 4:31pm by Emily Grossman*

**physics--**

Draw a free body diagram. The horizontal component of the string tension force provides the acceleration (28/6 = 4.667 m/s^2) , and the vertical component supports the weight. The mass will cancel out when you get the tangent of the angle of the string, so you do not need to ...
*Sunday, April 5, 2009 at 12:48am by drwls*

**physics**

2. A child throws his yoyo horizontally about his head rather than using it properly. The yoyo has a mass of 0.200 kg and is attached to a string 0.800 meters long. a. If the yoyo makes a complete revolution each second, what tension must exist in the string? b. If the tension...
*Sunday, May 1, 2011 at 8:29pm by sam*

**Physics :(( help please TT**

I have a length of string and I want to know the maximum tension the string can support. I tie one end of the string to the ceiling and the other end to a glass of mass 100 g. The glass is cylindrical, with a cross-sectional radius of 4 cm and a height of 15 cm. I fill the ...
*Tuesday, April 16, 2013 at 3:41am by OIan*

**physics**

A small sphere of mass m=.0064kg and charge q1= +28.9 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2= -58nC is located below the first charge by a distance d= 2.00cm. a. Find the Tension in the string b. If the string ...
*Monday, January 14, 2013 at 1:29pm by Matt*

**Physics**

A 3.21 kg mass attached to a light string rotates on a horizontal, frictionless table. The radius of the circle is 0.855 m, and the string can support a mass of 15.3 kg before breaking. What maximum speed can the mass have before the string breaks? Answer in units of m/s
*Tuesday, July 9, 2013 at 2:11pm by Lynn*

**Physics**

A ball on the end of a string is revolved at a uniform rate in a vertical circle of radius 72.0 cm, as shown in Fig. 5–33. If its speed is .4 00 m s and its mass is 0.300 kg, calculate the tension in the string when the ball is (a) at the top of its path, and (b) at the bottom...
*Sunday, February 6, 2011 at 6:39pm by helpme*

**Physics**

Two blocks of mass 3kg and 2 kg are jointed with a massless and inextensible string. If breaking tension of string is 10N find the maximum horizontal force with two blocks can be pulled on the surface.
*Saturday, August 10, 2013 at 1:49am by Aman*

**Physics AP**

A conical pendulum is formed by attaching a 50 g mass to a 1.2m string. The mass swings around a circle of radius 25cm. A claculate the speed of the mass. B Calculate the acceleration of the mass. C calculate the tension in the string
*Thursday, December 19, 2013 at 9:16am by Robert*

**physics**

A bob of mass = 0.250 is suspended from a fixed point with a massless string of length = 23.0 . You will investigate the motion in which the string traces a conical surface with half-angle = 25.0. What tangential speed must the bob have so that it moves in a horizontal circle ...
*Sunday, October 3, 2010 at 8:14pm by bryan*

**Physics repost please help**

The mass of a string is 6.0 x 10^-3 kg, and it is stretched so the tension in it is 195 N. A transverse wave traveling on this string has a frequency of 260 Hz and a wavelength of 0.60 m. What is the length of the string? Isn't wavespeed= sqrt(Tension/(mass/length)) you know ...
*Friday, April 27, 2007 at 12:16pm by Mary*

**Mathbio in 12th science**

2)a stone of mass 1kg tied to one end of a string of length 1m whirld in a horizontal circle with a costant speed 2 radian/second tension of the string is. A)0.5n b)1n c)2n d)4n 3)the orbital velocity of a satelight close to the earth is v then the orbital velocity at a height...
*Thursday, October 18, 2012 at 12:51am by Harsha*

**physics 1**

a 5.00kg object placed on a frictionless horizontal table is connected to a string tat passes over a pulley and then is fastened to a hanging 9.00kg object.Find the acceleration of the two objects and the tension in the string.
*Wednesday, August 3, 2011 at 10:20pm by Ian*

**physics**

explain how you can change the tension of a vibrating string. you can probably change the tension by keeping the rate of the vibration constant and shortening the length of the string.
*Monday, October 30, 2006 at 10:29pm by alejandra*

**physics**

A 1.62 kg mass attached to a light string rotates on a horizontal, frictionless table. The radius of the circle is 0.986 m, and the string can support a mass of 32.5 kg before breaking. The acceleration of gravity is 9.8 m/s 2 . What maximum speed can the mass have before the ...
*Sunday, January 13, 2013 at 9:35pm by Emily*

**phys**

A toy airplane of mass 0.159 kg is tied to the ceiling with a string. The airplane moves in a horizontal circle of radius 2.97 m, with a constant speed of 1.51 m/s. What is the angle the string makeswith the vertical?
*Monday, December 7, 2009 at 11:59am by stacy*

**physics**

A mass of 8.10 kg is suspended from a 1.69 m long string. It revolves in a horizontal circle as shown in the figure. The tangential speed of the mass is 2.92 m/s. Calculate the angle between the string and the vertical.
*Thursday, February 17, 2011 at 1:36am by Sarah*

**physics**

A small sphere of mass m = 7.50 g and charge q1 = 32.0 nC is attached to the end of a string and hangs vertically as shown in the figure. A second charge of equal mass and charge q2 = –58.0 nC is located a distance d = 2.00 cm below the first charge. (a) Find the tension in ...
*Tuesday, November 6, 2012 at 4:53pm by renee *

**physics**

Question Part Points Submissions Used 1 2 –/1 –/2 0/3 0/3 Total –/3 A force of 12.8 N pulls horizontally on a 0.9 kg block that slides on a rough, horizontal surface. This block is connected by a horizontal string to a second block of mass m2 = 2.04 kg on the same surface. ...
*Tuesday, October 9, 2012 at 10:53pm by Anonymous*

**Physics/Math**

A certain string can withstand a maximum tension of 43 N without breaking. A child ties a 0.37 kg stone to one end and, holding the other end, whirls the stone in a vertical circle of radius 0.91 m, slowly increasing the speed until the string breaks. Where is the stone on its...
*Monday, February 12, 2007 at 3:41am by COFFEE*

**Physics**

On a string instrument of the violin family, the effective length of a string is the distance between the bridge and the nut. For a violin, this distance is 29.3 cm, while for a cello it is 37.8 cm. The string of a violin is placed in a cello with the intention of producing a...
*Wednesday, January 27, 2010 at 10:56pm by Tension*

**statistics**

AB ia a uniform rod of length 120 cm and weight 18kg.wt it rotates about a hinge at its end A. its end B is pulled by a light string whose other end is tied to point C over A. the rod is in equilibrium when it inclines to the horizontal at 30degree if the reaction of the hinge...
*Thursday, September 29, 2011 at 6:35am by Anonymous*

**Physics**

A particle of mass m1 is tide to a string and describes a circumference on a horizontal plane. The string (of negligible mass)passes through a hole that is in the center of the plane and goes down vertically. At the lower end is tied another particle of m2. If the first ...
*Sunday, November 11, 2012 at 6:45am by Leslie*

**physics**

Tension on string = 5 a for 5 kg object. 9 g - Tension on string = 9 a for 9 kg object a is the same in both equations unless the string breaks. Tension of spring is the same in both equations Solve the two equations for T and a
*Thursday, March 25, 2010 at 9:39pm by Damon*

**Physics**

Determine the tension in the string at the top and bottom of its path when a 0.3 kg yo-yo is whirled in a vertical circle of radius 0.5 m at 2.5 m/s. I'm sure I can solve this, I just can't find the equation for tension. The only equation I could find in my book is if ...
*Sunday, December 13, 2009 at 8:55pm by Rudy*

**Physics( Explain and choose right answer) **

A ball on the end of a rope is moving in a vertical circle near the surface of the earth. Point A F T is at the top of the circle; C is at the bottom. Points B and D are exactly halfway between A and C. Which one of the following statements concerning the tension in the rope ...
*Monday, March 24, 2014 at 6:40pm by Dan*

**physics**

A stopper tied to the end of a string is swung in a horizontal circle. If the mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8s?
*Thursday, October 7, 2010 at 2:22am by Help ?!*

**physics**

A stopper tied to the end of a string is swung in a horizontal circle. If the mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8s?
*Thursday, October 7, 2010 at 2:23am by Help ?!*

**Physics**

A wave on a string has a speed of 400 m/s. If the tension in the string is 131 N and its length is 3.5 m, what is the mass of the string?
*Monday, June 11, 2012 at 11:39am by Alex*

**p**

A certain string can withstand a maximum tension of 41 N without breaking. A child ties a 0.35 kg stone to one end and, holding the other end, whirls the stone in a vertical circle of radius 0.91 m, slowly increasing the speed until the string breaks. (a) Where is the stone on...
*Thursday, July 15, 2010 at 11:44am by Sam*

**Physics**

1. Two blocks on a frictionless horizontal surface are connected by a light string. The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system. Answer in units of m/s^2. 2. What is the tension in the string between the blocks? Answer in units of N. 3. If ...
*Friday, February 21, 2014 at 8:09pm by Suaad*

**Physics**

Assume the string makes an angle theta with the horizontal and tension in the string is T. T*Cos theta = m*v^2/r (centrifugal force) and T*Sin theta = m*g By dividing: Tan theta = g*r/v^2 = 9.8*2.2/7.2^2 = 0.41 So Theta = 22.5 deg Now T=m*g/Sin22.5 = 79.3N
*Thursday, June 21, 2012 at 4:01pm by ajayb*

**Physics**

Two masses M1 = 6.10 kg and M2 = 3.90 kg are on a frictionless surface, attached by a thin string. A force of 47.7 N pulls on M2 at an angle of 29.5° from the horizontal as shown in the figure. Calculate the tension T in the string.
*Monday, October 14, 2013 at 4:57pm by JAYZ*

**Pre-Calc/Trig**

1. Find all possible values of k so that (3,5), (5,-1), and (k,8) are the vertices of a right triangle 2. Find all points with -x+2y=0 so that (x,y) is 5 units from (-1,4) 3. (f(x+h)-f(x))/h for f(x)= -5/(x+2) 4. The frequency of the sound produced by a string is directly ...
*Sunday, April 17, 2011 at 1:54am by Mia*

**physics**

A rock is suspended by a light string. When the rock is in air, the tension in the string is 43.8 . When the rock is totally immersed in water, the tension is 26.2 . When the rock is totally immersed in an unknown liquid, the tension is 18.8 .
*Friday, May 31, 2013 at 8:00pm by lungani*

**physics**

A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that you drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
*Monday, November 23, 2009 at 5:57pm by julia*

**Physics**

A transverse wave traveling in a string takes 1.61 s to move 13.2 m. The mass of a 9.2 m piece of the string is 1.5 kg. What is the tension in the string?
*Monday, May 6, 2013 at 9:12am by Maegan*

**Physics HELPPP PLEASEEE**

A 0.60 kg sphere rotates around a vertical shaft supported by two strings, as shown. If the tension in the upper string is 18 N. Calculate the tension in the lower string? the rotation rate (in rev/min) of the system?
*Sunday, May 19, 2013 at 2:41pm by Joeline*

**phy**

Is the string massless? If the string is of mass per unit length p, then we will get tension as a function of height. However, if the string is massless, the tension in the string will simply equal the force that the box puts on it. Draw a force diagram. That's how you always ...
*Sunday, October 24, 2010 at 4:53pm by Jo*

**phsyics**

A 8.0×10−2-{\rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.30 m/s in a horizontal circle of radius 0.41 m, Find the angle the string makes with the vertical.
*Thursday, December 16, 2010 at 10:03pm by Lisa*

**physics**

an object of mass 0.5 kg is whirled at the end of string 0.8 m long if the string make three revolution in 1.2 sec find the tension of the string
*Thursday, April 26, 2012 at 6:36am by rohan*

**physics numeral**

An object of mass of 0.5 kg is whirled at the end of a string 0.8 m long.If the string makes three revolutions in 1.2 s,find the tension in the string.
*Friday, June 7, 2013 at 10:32am by rahul*

**M1, Mechanics **

A particle of mass 4kg is suspended from a point A on a vertical wall by means of a light inextensible string of length 130cm.A horizontal force P, is applied to the particle so that it is held in equilibrium a distance of 50cm from the wall. Find the value of P and the ...
*Monday, March 19, 2012 at 6:19am by Tony*

**PHYSICS tension & angle**

A van accelerates down a hill (Fig. P4.71), going from rest to 30.0 m/s in 6.70 s. During the acceleration, a toy (m = 0.250 kg) hangs by a string from the van's ceiling. The acceleration is such that the string remains perpendicular to the ceiling. Find theta Find tension in ...
*Thursday, March 3, 2011 at 3:23am by megan*

**Physics**

a student attaches a mass to the end of a 0.80 m string. The system will be whirled in a horizontal circular path at 31.5 m/s. The maximum tension the string can withstand without breaking is 250 N. What is the maximum mass the student can use?
*Tuesday, November 1, 2011 at 10:09pm by Dee*

**physics**

a)What is the tension T in the string? in this case, tension = mass2 X gravity so, tension = 1.10 kg X 9.8 m/s^2 tension = 10.78 For letter b, I am afraid I have no clue :( c)What is the speed of the puck? F = (m(v^2))/r the tension is the force in this case, so: tension = (m1...
*Tuesday, November 30, 2010 at 2:13pm by Brianna*

**Physics**

If you want to learn the subject and not just fill in the blanks to get some meaningless degree, use the fact that the frequency is proportional to (wave speed)/(string length) To keep the frequency the same, the wave speed must increase by a factor 37.8/29.3 = 1.2901 The ...
*Wednesday, January 27, 2010 at 10:56pm by drwls*

**PHYSICS**

A stopper tied to the end of a string is swung in a horizontal circle. If the mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8 s, a. What is the angular velocity of the stopper?
*Monday, September 19, 2011 at 8:49pm by Anonymous*

**PHYSICS**

A stopper tied to the end of a string is swung in a horizontal circle. If the mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8 s, a. What is the angular velocity of the stopper?
*Wednesday, February 8, 2012 at 4:36pm by LC*

**Physics**

A student ties a 600.0 g rock to a 1.50 m-long string and swings it around her head in a horizontal circle. At what angular speed (in rev/min) does the string tilt down at a 13.1° angle, assuming that the local acceleration due to gravity is -9.80 m/s2?
*Monday, October 17, 2011 at 3:07pm by Helpp*

**Physics**

A standing wave is set up in a string of variable length and tension by a vibrator of variable frequency. Both ends of the string are fixed. When the vibrator has a frequency fA, in a string of length LA and under tension TA, nA antinodes are set up in the string. (a) Write an...
*Thursday, December 5, 2013 at 5:00am by Anonymous*

**physics**

A stone tied to a strong is made tn resolue in a horizontal circle of radius 4m with angular speed of 2 radian,persecond with what tingential velocity will the stone move off the circle if the string cuts
*Tuesday, October 18, 2011 at 12:15am by francis*

**Physics**

A toy is attached to the cieling by a string. As the toy flies around in a horizontal circle with a radius 45 cm, the string makes an angle of 60 degrees with the cieling. What is the speed of the toy?
*Tuesday, November 27, 2012 at 4:54pm by Sarah*

**Physics, waves**

A string vibrates in its fundamental mode with a frequency of 200 Hz. The string is 0.64 m long and has a mass of 1.61 g. With what tension must the string be stretched?
*Tuesday, January 8, 2013 at 2:41pm by Sav*

**physics**

When driven by a 120 Hz vibrator, a string has transverse waves of 31 cm wavelength traveling along it. (a) What is the speed of the waves on the string& (b) Is the tension in the string is 1.2 N, what is the mass of 50 cm of the string?
*Tuesday, April 17, 2012 at 4:47pm by ahmad*

**physics**

A string is tied across the opening of a deep well, at a height 5 m above the water level. The string has length 7.51m and linear density 4.17 g/m; any time there is a wind, the string vibrates like mad. The speed of sound in air is 343 m/s. Assuming that the resonance ...
*Saturday, January 30, 2010 at 7:11pm by AG*

**Physics**

A 2.15 kg disc is attached to the end of a string whose length is 0.410 m. The disc slides without friction on a horizontal surface. If the string can withstand a maximum tension of 131.1 N, what is the maximum tangential speed the disc can have before the cord breaks?
*Thursday, October 6, 2011 at 12:29pm by Reven*

**Physics**

A bob of mass = 0.250 is suspended from a fixed point with a massless string of length = 23.0 . You will investigate the motion in which the string traces a conical surface with half-angle = 25.0. What tangential speed must the bob have so that it moves in a horizontal circle ...
*Thursday, September 30, 2010 at 2:03am by tim*

**Physics**

A bob of mass = 0.250 is suspended from a fixed point with a massless string of length = 23.0 . You will investigate the motion in which the string traces a conical surface with half-angle = 25.0. What tangential speed must the bob have so that it moves in a horizontal circle ...
*Thursday, September 30, 2010 at 10:16pm by tim*

**physics help**

Two 12.0 kg boxes are connected by a massless string that passes over a massless frictionless pulley as shown above. The boxes remain at rest, with the one on the right hanging vertically and the one on the left d = 2.9 m from the bottom of an inclined plane that makes an ...
*Friday, October 19, 2012 at 12:46pm by arcos15*

**Physics**

The mass of a string is 6.0 x 10^-3 kg, and it is stretched so the tension in it is 195 N. A transverse wave traveling on this string has a frequency of 260 Hz and a wavelength of 0.60 m. What is the length of the string?
*Thursday, April 26, 2007 at 11:23pm by Mary*

**physics**

The mass of a string is 2.5 × 10-3 kg, and it is stretched so that the tension in it is 250 N. A transverse wave traveling on this string has a frequency of 300 Hz and a wavelength of 0.45 m. What is the length of the string?
*Thursday, January 10, 2013 at 10:46am by Anonymous*

**Physics**

The mass of a string is 6.8 x 10-3 kg, and it is stretched so that the tension in it is 210 N. A transverse wave traveling on this string has a frequency of 190 Hz and a wavelength of 0.67 m. What is the length of the string?
*Sunday, March 3, 2013 at 2:26pm by Tim*

**Physics**

A ball of mass m = 0.2 kg is attached to a (massless) string of length L = 2 m and is undergoing circular motion in the horizontal plane (imagine a wave swinger ride at the amusement park). What should the speed of the mass be for θ to be 39°? What is the tension in the ...
*Saturday, June 16, 2012 at 12:37pm by James*

**Physics**

A ball is fastened to one en of a 28 cm string, and the other end is held fixed to a support. The ball whirls in a horizontal circle. Find the speed of the ball in its circular path if the string makes an angle of 35 degrees to the vertical.
*Thursday, May 16, 2013 at 10:50pm by Andrea*

**physics**

An air puck of mass 0.33 kg is tied to a string and allowed to revolve in a circle of radius 1.12 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 1.1 kg is tied to it. The suspended mass remains ...
*Saturday, December 10, 2011 at 12:28pm by tanya*

**Physics**

A ball is tied to one end of a string. The other end of the string is held fixed. The ball is set moving around a vertical circle without friction, and with speed vi = (Rg)1/2. At what angle from the bottom should the string be cut so that the ball will then travel through the...
*Thursday, April 22, 2010 at 1:40am by Iggy*

**physics**

A stone is rotated steadily in a horizantal circle with a period T by a string of length L. If the tension in the stringis constant and L increases by 1% find the percentage change in T.
*Thursday, October 16, 2008 at 9:28pm by Dean*

**Mechanics (A level), Please help**

A light string of length a is attached to two points A and B on the same level and distance b apart, where b < a. A smooth ring of weight W is threaded on the string and is pulled by a horizontal force P, so that it rests in equilbrium vertically below B. Show that tension ...
*Sunday, April 1, 2012 at 3:37am by John*

**physics**

Each of 108 identical blocks sitting on a frictionless surface is connected to the next block by a massless string. The first block is pulled with a force of 108N. Part A. What is the tension in the string connecting block 108 to block 107? Part B. What is the tension in the ...
*Sunday, October 9, 2011 at 6:04pm by Josh*

**Physics**

The vertical component of the tension equals the weight The angle of the string relative to horizontal is arctan(W/Ft)
*Thursday, October 6, 2011 at 12:24am by drwls*

**Physics help**

Two masses m1 = 2 kg and m2 = 4 kg are connected by a light string. Mass m2 is connected to mass M = 14 kg by a string that passes over an ideal pulley. Determine the following quantities when the system is released from rest. (a) The acceleration of the masses m/s2 (b) The ...
*Friday, October 26, 2012 at 3:35am by arcos15*

**Physics**

1. Two blocks on a frictionless horizontal surface are connected by a light string. where m1 = 6.21 kg and m2 = 19.5 kg. A force of 48.4 N 6.21kg --T-- 19.5kg ----->48.4 N The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system. Answer in units of m/s^...
*Thursday, February 27, 2014 at 2:51am by Suaad*

**Physics**

1. Two blocks on a frictionless horizontal surface are connected by a light string. where m1 = 6.21 kg and m2 = 19.5 kg. A force of 48.4 N 6.21kg --T-- 19.5kg ----->48.4 N The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system. Answer in units of m/s^...
*Thursday, March 6, 2014 at 3:08pm by Fabricus*

**physics**

The mass of a string is 8.40 10-3 kg, and it is stretched so the tension in it is 225 N. A transverse wave traveling on this string has a frequency of 260 Hz and a wavelength of 0.60 m. What is the length of the string? m
*Monday, January 28, 2013 at 5:34pm by carter montgomery*

**Physics**

A string is fixed at both ends and vibrating at 120 Hz, which is its third harmonic frequency. The linear density of the string is 4.9x10-3 kg/m, and it is under a tension of 3.6 N. Determine the length of the string.
*Sunday, March 3, 2013 at 1:37pm by Tim*

**Physics**

A block of mass M=2 kg is swung on a rope in a veritcal circle(the direction of motion is vertical to the ground) of radius r. When the block is at the top of the circle, the tension in the rope is measured to be 10N. What is the tension in the rope when the block is at the ...
*Monday, November 16, 2009 at 10:38pm by Holly*

**Physics**

In the figure below the left hand calbe has a tension T1 and makes an angle of 42 with the horizontal. the right hand calbe as a tension T3 and makes an angle of 47 with the horizontal. The horizontal cable connecting the two masses has a tension of 37 N. Determine the mass M2.
*Wednesday, September 15, 2010 at 6:09am by Josh*

**Physics**

10. A yo-yo is made by wrapping a 2-m long string around a 500-g 10-cm diameter uniform disk. The string is fastened to the ceiling, and the yo-yo is released. What is the tension in the string as the yo-yo falls? A.9.8N B.1.6N C.4.9N D. 0.49N E.3.3N The answer is B. How do I ...
*Sunday, June 17, 2012 at 5:56pm by James*

**physics**

The figure below shows an object of mass M = 1,276 g. It is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 1,362 g by means of a massless string that extends around a massless, frictionless pulley. ...
*Saturday, October 10, 2009 at 1:35am by m2a*

**physics**

Look at the angle the string makes with the pole. .12/1.2=sinTheta Now draw the vector diagram at the ball: mg downard, Tension along the string, and H the horizontal force. h/mg=TanTheta For this angle, you can use the small angle approximation that sine and tangent are equal...
*Wednesday, February 27, 2008 at 8:13pm by bobpursley*

**Physics**

Consider the forces acting where the arrow is held. Perform a force balance along the direction of the arrow. F = 28.7 pulls the string and the string has tension T on both sides of the arrow, inclined 69 degrees to the horizontal. 2 T cos 69 = 28.7 lb Solve for T
*Monday, March 8, 2010 at 5:56pm by drwls*

**Physics**

A ball is fastened to one end of a 30cm string, and the other end is held fixed to a support. the ball whirls in a horizontal circle. Find the speed of the ball in its circular path if the string makes an angle of 30 degrees to the vertical.
*Thursday, February 27, 2014 at 12:48pm by Liz*

**science**

A small mass m swings in a horizontal circle of radius r at the end of a string of length Li and negligible mass, which makes an angle i with the vertical. The string is slowly shortened (for example by pulling it through a hole in its support) until the final length is Lf ...
*Tuesday, November 26, 2013 at 7:12am by Hasibul*

**physics**

A small mass m swings in a horizontal circle of radius r at the end of a string of length Li and negligible mass, which makes an angle i with the vertical. The string is slowly shortened (for example by pulling it through a hole in its support) until the final length is Lf ...
*Tuesday, November 26, 2013 at 9:13pm by Anonymous*

**physics**

In the figure we see two blocks connected by a string and tied to a wall, with theta = 33°. The mass of the lower block is m = 1.0 kg; the mass of the upper block is 2.0 kg. The tension of the string connecting the blocks is 5.337. Find the tension in the string that is tied ...
*Wednesday, July 28, 2010 at 6:50pm by Kate*

**phy**

A 3.50 kg block on a smooth tabletop is attached by a string to a hanging block of mass 2.80 kg. The blocks are released from rest and allowed to move freely. 1-Is the tension in the string greater than, less than, or equal to the weight of the hanging mass? 2-Find the ...
*Monday, July 18, 2011 at 7:12pm by ivan*

**Physics**

A child twirling a 0.0120kg ball on a string in a horizontal circle parallel to the floor. The radius of this circle is 0.358m. The ball traveling once around the circle is 2.08 seconds. a)Determine the centripetal force acting on the ball. b) If the speed is doubled, does ...
*Wednesday, March 25, 2009 at 5:52pm by Lauren*

**physics**

WEll, he has to counter the horizontal force on the ball. draw the force diagram mg down,horizontal, and tension costheta=mg/Tension figure the cosine of 18 degrees, solve for tension.
*Sunday, April 10, 2011 at 1:39pm by bobpursley*

**Physics 11**

What is the question? Acceleration? Tension in the lower string? If acceleration = a, then (M+m)(g+a) = F = 8.48N Solve for a. Tension in the lower string = T = m(g+a)
*Thursday, October 15, 2009 at 8:08pm by MathMate*

**Physics**

Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. (a1) Determine the acceleration of the boxes (b) the tension of the string (c)
*Sunday, September 30, 2012 at 4:24pm by Anonymous*

**Physics URGENT!!!**

Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. The acceleration of the boxes is 1.8. Find the tension in the string.
*Wednesday, October 3, 2012 at 2:53pm by Anonymous*

**physics **

A girl whirls a stone in a horizontal circle 1.5 m above the ground by means of a string 141 cm long. The string breaks, and the stone flies of horizontally and strike the ground 13.6 m away. What is the centripetal acceleration of the stone while in circular motion?
*Friday, February 22, 2013 at 8:41am by Robert*

**Physics**

A girl whirls a stone in a horizontal circle 1.9 m above the ground by means of a string 111 cm long. The string breaks, and the stone flies of horizontally and strike the ground 11.2 m away. What is the centripetal acceleration of the stone while in circular motion?
*Friday, February 22, 2013 at 9:02am by Ashlyn*

**Physics**

A string is under a tension of 700.0 N. A 1.5 m length of the string has a mass of 4.5 grams. What is the speed of a transverse wave of wavelength 0.50 m in this string? What is the frequency of the wave?
*Thursday, November 4, 2010 at 12:09pm by Jerome*

**Physics URGENT!!!**

Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. (a1) Determine the acceleration of the boxes (b) the tension of the string (c)
*Sunday, September 30, 2012 at 7:51pm by Anonymous*

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