Wednesday

April 16, 2014

April 16, 2014

Number of results: 120,569

**physics**

A string has a linear density of 7.2 x 10-3 kg/m and is under a tension of 370 N
*Sunday, December 12, 2010 at 11:51pm by TVIX*

**physics**

A string has a linear density of 8.5*10^-3 kg and is under the tension of 280 N. The string is 1.8 m long, is fixed at both ends, and vibrating in the standing wave pattern. What is the speed, length, and frequency?
*Sunday, December 12, 2010 at 11:51pm by David*

**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**

Wave speed is proportional to [Tension/(linear density)]^1/2 Linear density is the density per unit string length. String A has 1/2 the tension and (0.59/1.3)^2 = 0.206 times the linear density of String B. The wave speed ratio is therefore VA/VB = sqrt [(1/2)/0.206] = 1.558 ...
*Friday, November 20, 2009 at 11:00am by drwls*

**Physics**

A string has a linear density of 6.7 x 10-3 kg/m and is under a tension of 210 N. The string is 1.6 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Monday, November 30, 2009 at 3:32pm by Daniel*

**physics**

A string has a linear density of 8.1 x 10-3 kg/m and is under a tension of 200 N. The string is 2.9 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Monday, February 11, 2013 at 11:03am by natasha*

**Physics**

A string has a linear density of 6.2 x 10-3 kg/m and is under a tension of 250 N. The string is 1.2 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Sunday, March 3, 2013 at 1:37pm by Tim*

**Physics**

A string has a linear density of 6.2 x 10-3 kg/m and is under a tension of 250 N. The string is 1.2 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Sunday, March 3, 2013 at 2:24pm by Tim*

**physics. HELP PLEASE**

A string has a linear density of 5.3 x 10-3 kg/m and is under a tension of 370 N. The string is 1.8 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Tuesday, May 1, 2012 at 1:39pm by chelsea*

**Physics **

Student observed ten antinodes on a string of length 1.70 m under tension produced by a mass of 0.22 kg. The string linear density is 1.3 gram/meter. What is the difference between the transverse wave velocity calculated from the string material properties and the one ...
*Friday, October 25, 2013 at 11:29pm by Amy*

**Physics**

A string has a linear density of 6.7 x 10-3 kg/m and is under a tension of 210 N. The string is 1.6 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Monday, November 30, 2009 at 6:42pm by Lydia*

**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 string with a linear density of 0.035 kg/m and a mass of 0.014 kg is clamped at both ends. Under what tension in the string will it have a fundamental frequency of 100 Hz? The correct answer is 270N but I don't know how to get there. Here are some of the equations we can use...
*Wednesday, July 13, 2011 at 6:16pm by Tina*

**physics**

an aluminum object has a mass of 27 kg & a density of 2700 kg/m^3. it is hung from a rope under the surface of water (density=1000 kg/m^3). what is the volume of the object and the tension in the string, while the object hangs from it & also under the surface of the water?
*Tuesday, March 16, 2010 at 7:38pm by john*

**Standing waves and resonance (physics)**

A nylon string has a linear density of 7.2g/m and is under a tension of 150N. The fixed supports are 90cm apart. The string is oscillating in the standing wave pattern. Find a)speed b)wavelength c) frequency v=sqr(F/u(linear density) v=sqrt(150N/7.2g/m) = 4.56m/s b) wavelength...
*Tuesday, February 6, 2007 at 10:13pm by Susane*

**Physics**

A string of mass m=.1kg is stretched to where its length is L=20m. What is the tension force applied to the string if it takes a pulse 2 seconds to get from one end to the other? m=kg L=20m T=4s mass density =m/L = .1/20 = kg/m Tension =? I know v=sqrt(F_t/mass density) But I'...
*Wednesday, February 6, 2008 at 5:40pm by Andrea*

**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**

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)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**

A piano string having a mass per unit length equal to 5.10 10-3 kg/m is under a tension of 1,500 N. Find the speed with which a wave travels on this string.
*Tuesday, November 29, 2011 at 11:32am by jim*

**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**

an empty rubber balloon has mass 0.0120kg, the balloon is filled with helium of density 0.181 kg/m^3. the balloon is spherical w/ radius 0.500m. if the balloon is ties to a vertical string, what is thw tension in the string? density of air 1.29 kg/m^3
*Saturday, December 15, 2012 at 9:28pm by Helen*

**physics**

the force stretching the D string on a certain guitar is 150 N. the String's linear mass density is .005 Kg/m. What is the speed of waves on the string?
*Tuesday, October 26, 2010 at 8:49pm by bks*

**Physics **

A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg.
*Monday, May 23, 2011 at 12:09pm by shaquira*

**Physics**

A piano string having a mass per unit length equal to 5.00 „e 10¡V3 kg/m is under a tension of 1 350 N. Find the speed with which a wave travels on this string.
*Tuesday, December 7, 2010 at 3:40pm by Cf*

**Physics - Waves**

he largest tension that can be sustained by a stretched string of linear mass density μ, even in principle, is given by τ = μc2, where c is the speed of light in vacuum. (This is an enormous value. The breaking tensions of all ordinary materials are about 12 ...
*Wednesday, March 7, 2012 at 6:02pm by Kampf*

**Physics **

A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg. What is the wavelength and wave speed
*Monday, May 23, 2011 at 12:10pm by shaquira*

**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- 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**

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**

12. The ratio of the tensile (or compressive) strength to the density of a material is a measure of how strong the material is “pound for pound.” (a) Compare tendon (tensile strength 80.0 MPa, density 1100 kg/m3) with steel (tensile strength 0.50 GPa, density 7700 kg/m3): ...
*Monday, November 26, 2012 at 9:21am by mary*

**Physics 2**

A 3.0-g string, 0.14 m long, is under tension. The string produces a 200-Hz tone when it vibrates in the third harmonic. The speed of sound in air is 344 m/s. Find the tension in the string.
*Sunday, September 29, 2013 at 10:06pm by Heather*

**Physica**

In the figure shown ,the string and pulley are massless , if m1 = 15 kg and m 2 =10 kg ,the tension in the string is ;
*Sunday, July 15, 2012 at 2:54am by Q11*

**Physica**

In the figure shown ,the string and pulley are massless , if m1 = 15 kg and m 2 =10 kg ,the tension in the string is ;
*Sunday, July 15, 2012 at 6:12pm by 1111*

**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**

To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the string passes over a pulley and is connected to a suspended mass M, as shown. The value of M is such that the standing wave pattern has eight loops “anti...
*Monday, October 1, 2012 at 4:15pm by AJ*

**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**

The tension in the string minus the weight component in the string direction equals the centripetal force. T - M*g cos15 = M V^2/R M = 0.200 Kg R = 0.40 m g = 9.8 m/s^2 V = 0.7 m/s Solve for T.
*Thursday, October 18, 2012 at 9:50am by drwls*

**Physics**

To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the string passes over a pulley and is connected to a suspended mass M, as shown. The value of M is such that the standing wave pattern has eight loops “anti...
*Friday, October 5, 2012 at 6:57pm by AJ*

**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*

**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 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**

The string of a conical pendulum is 54.5 cm long and the mass of the bob is 0.22 kg. a) Find the angle between the string and the horizontal when the tension in the string is three times the weight of the bob. b)Under those conditions, what is the period of the pendulum?
*Sunday, February 26, 2012 at 8:31pm by J*

**emergency physics**

The 2nd harmonic of a string of length 40cm and linear mass density 1.11g.m has the same frequency as the 5th resonance mode of a closed pipe of length 1.4m. Find the tension in the string. use 340 for speed of sound
*Wednesday, February 15, 2012 at 9:07pm by joe*

**physics helpppp!! **

The 2nd harmonic of a string of length 40cm and linear mass density 1.11g.m has the same frequency as the 5th resonance mode of a closed pipe of length 1.4m. Find the tension in the string. use 340 for speed of sound
*Thursday, February 16, 2012 at 3:25pm by joey*

**Physics**

A sinusoidal wave is traveling on a string with speed 30.00 cm/s. The displacement of the particles of the string at x = 15 cm is found to vary with time according to the equation y = (5.0 cm) sin[1.5 - (3.0 s-1)t]. The linear density of the string is 5.0 g/cm. (a) What is the...
*Saturday, December 3, 2011 at 8:23pm by Kyle*

**Physics**

The wavelength is twice the string length, or 0.62 m. The frequency is 440 Hz. The wave speed must be the product of the3 two, or 268.40 m/s. Get the tension T from the formula Wave speed = sqrt (T/5.84*10^-4 kg/m) The tension will be in Newtons
*Tuesday, December 7, 2010 at 1:41pm 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**

The string is 1.40 m long with tension 12.00 N. The total mass of the string is 0.010 kg. Find the wavelength of this standing wave in meters
*Thursday, March 31, 2011 at 6:12pm by College student in need of help*

**physics Sound**

The 2nd harmonic of a string of length 60 cm and linear mass density 1.1 g/m has the same frequency as the 5th resonance mode of a closed pipe of length 0.8 m. Find the tension in the string.
*Sunday, March 2, 2014 at 7:24pm by Help please as soon as possible please!!!! *

**physics Sound PLEASE HELP ASAP!!! PLEASE**

The 2nd harmonic of a string of length 60 cm and linear mass density 1.1 g/m has the same frequency as the 5th resonance mode of a closed pipe of length 0.8 m. Find the tension in the string.
*Sunday, March 2, 2014 at 7:25pm by Shek*

**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*

**Physics**

A mass M = 40.0 kg is suspended by a massless string from the ceiling of a van which is moving with constant acceleration a, as shown in the figure. If the string makes an angle theta = 21° with respect to the vertical, what is the acceleration a of the van? What is the ...
*Tuesday, December 24, 2013 at 12:53pm by Lina*

**Physics**

A 5.0 kg object (m1) is connected to a 10.0 kg object (m2) by a string. If a pulling force F of 20 N is applied to the 5.0 kg object as shown, A) what is the acceleration of the system? B) what is the tension in the string connecting the objects? (Assume a frictionless surface.)
*Tuesday, October 5, 2010 at 5:48pm by Anonymous*

**college physics**

A particularly beutiful note reaching your ear from a stradivarius violin has a wavelength of 39.1cm. The room is slightly warm, so the speed of sound is 344m/s. If the string's linear density is 0.670g/m and the tension is 140N, how long is the vibrating section of the violin...
*Wednesday, February 3, 2010 at 6:32pm by genevieve*

**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**

The mass of a string is 9.1 × 10-3 kg, and it is stretched so that the tension in it is 240 N. A transverse wave traveling on this string has a frequency of 240 Hz and a wavelength of 0.42 m. What is the length of the string?
*Monday, January 14, 2013 at 4:45am by Grainne*

**physics**

The diagram represents a snapshot of a standing transverse wave on a flexible guitar string taken when the displacement is at a maximum. (Note: the vertical scale is very exaggerated, the actual sideways displacement of the string is negligibly TINY compared to the length of ...
*Friday, April 1, 2011 at 12:44pm by Layla*

**Physics**

Mass 1 (10 kg) rests on a frictionless table connected by a string to Mass 2 (5 kg). Find a) the acceleration of each block. (Draw the figure and proceed). b) the tension in the connecting string.
*Tuesday, October 5, 2010 at 5:51pm by Anonymous*

**physics**

A picture hangs on the wall suspended by two strings, with è = 61°. The tension in string 1 is 1.8 N. è is connected to string 1, and 32° is connected to string 2. (a) Is the tension in string 1 greater than, less than, or equal to the tension in string 2? greater than less ...
*Thursday, September 30, 2010 at 11:03pm by jack*

**Physics**

what are the forces acting on a string that is wounded around a uniform disk of Radius R and mass R? i know tension is in the string...what else? and I of the disk is 1/2 MR2... so how would you show that the tension in the string is one third the weight of the disk? and......
*Monday, December 15, 2008 at 10:51pm by Stacu*

**physics**

An object of mass m is hanging by a string from the roof of an elevator. We want to compare the tension in the string due to the weight of the object under various conditions. Which statements are true? Choices: True, False. A. If the elevator is moving upwards, and speeding ...
*Wednesday, December 10, 2008 at 5:52am by Sandhya*

**physics**

A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg mass is suspended from the center of the string, applying a tension in the string. What is the tension in the two strings of length L/2 tied to the ...
*Monday, April 5, 2010 at 10:09am by pop*

**physics**

A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg mass is suspended from the center of the string, applying a tension in the string. What is the tension in the two strings of length L/2 tied to the ...
*Monday, April 5, 2010 at 10:09am by pop*

**College Physics**

An 0.10 kg object is hanging from your rearview mirror. While you are accelerating 4.0 m/s2 the string mkes an angle with the vertical. There is a weight force going down and tension force along the string. What is the tension force and the angle?
*Saturday, February 20, 2010 at 12:31pm by Anonymous*

**Physics**

Tension is maintained in a string by attaching one end to a wall and by hanging a 2.34 kg object from the other end of the string after it passes over a pulley that is 2.00 m from the wall. The string has a mass per unit length of 3.45 mg/m. What is the fundamental frequency ...
*Sunday, April 15, 2012 at 3:35pm by Akbar*

**physics**

Tension is maintained in a string by attaching one end to a wall and by hanging a 2.34 kg object from the other end of the string after it passes over a pulley that is 2.00 m from the wall. The string has a mass per unit length of 3.45 mg/m. What is the fundamental frequency ...
*Sunday, April 15, 2012 at 7:32pm by Akbar*

**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 car with fuzzy dice hanging from the rear view mirror by a single string drives along at a constant 25.0 m/s. a) If the dice have a mass of 0.030 kg, what is the angle of the string (relative to vertical)? b) What is the tension in the string? c) As the driver takes a turn ...
*Thursday, July 26, 2012 at 11:58am by Zac*

**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*

**Physics**

Two objects are connected by a light string that passes over a frictionless pulley, and two objects are on either side of the string. There is a hanging object off the vertical side of the incline weighing 10.0 kg. The 3.50 kg object lies on a smooth incline of angle 37.0°. ...
*Wednesday, October 19, 2011 at 7:34pm by JT*

**Physics**

A 5 kg block is placed on top of a 10 kg block as shown above. A horizontal force of 45 N is applied to the 10 kg block, while the 5 kg block is tied to the wall. The coefficient of kinetic friction between the moving surfaces is 0.20. Determine (a) the tension in the string ...
*Sunday, February 23, 2014 at 2:39am by Chrxeyshthoufov*

**physics**

Draw a free body diagram. The string supports the weight if the meter stick and the two point masses. From vertical force equilbrium: 19.6 N = (0.7 + 0.1 + m)g 0.7 + 0.1 + m = 19.6/9.8 = 2.0 kg m = 1.2 kg Next, to a moment balance to find out where to place m. Let x be the ...
*Tuesday, December 4, 2007 at 12:37am by drwls*

**Physics**

A particular steel guitar string has mass per unit length of 1.79 g/m. and tension of 61.9 N. For the wave speed to be increased by 1.9%, how much should the tension be changed? I tried increasing the wave speed (186 m/s) by 1.9%, plug that into v=sqrt(T/linear mass density), ...
*Tuesday, July 17, 2012 at 3:47pm by Bruce*

**Physics**

Mass 1 (10 kg) rests on a table connected by a string to Mass 2 (5 kg). If s = 0.30 and k = 0.20, what is a) the acceleration of each block? (Draw the figure and proceed). b) the tension in the connecting string?
*Tuesday, October 5, 2010 at 5:51pm by Anonymous*

**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 harpsichord string of length 1.60 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz. (a) What is the speed of the transverse string waves in m? (b) What is the tension in N? (c) What are the wavelength and frequency of the sound wave in ...
*Wednesday, March 31, 2010 at 9:31pm by anna*

**Physics**

A mass m1 = 5.0 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 40.0 N pulls m1 to the left a distance d = 0.77 m. 1)How much work is done by the force F on the two block system? 2)What is the final ...
*Monday, October 1, 2012 at 8:32pm by J.C.*

**Physics**

Please someone help me I'm desperate!!!! Two steel guitar strings have the same length. String A has a diameter of 0.59 mm and is under 420.0 N of tension. String B has a diameter of 1.3 mm and is under a tension of 840.0N . Find the ratio of the wave speeds,VA/VB , in these ...
*Friday, November 20, 2009 at 11:00am by Frank*

**Calculus/ Vectors**

first draw a position diagram, a horizontal line 10 m, and two sides of 5 m and 7 ml to get triangle ABC where b = 10, a=7, and c=5 by the cosine law, 5^2 = 10^2 + 7^2 - 2(10)(7)cosC cosC = 124/140 angle C = 27.66° by the Sine Law sinA/7 = sin27.66/5 angle A = 40.54 now draw a...
*Friday, April 29, 2011 at 5:25pm by Reiny*

**physics**

A certain string can withstand a maximum tension of 40 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. (a) Where is the stone on...
*Sunday, October 25, 2009 at 4:52pm by umarah*

**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**

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**

The system shown in the Figure is in equilibrium. The mass of block 1 is 2.2 kg and the mass of block 2 is 3.5 kg. String 1 makes an angle = 28o with the vertical and string 2 is exactly horizontal. what is the angle between the string that connects the masses and the string ...
*Thursday, April 10, 2008 at 1:23am by lizzy*

**Physics**

A harpsichord string of length 1.50 m and linear mass density 26.0 mg/m vibrates at a (fundamental) frequency of 460.0 Hz. (a) What is the speed of the transverse string waves? m/s (b) What is the tension? N (c) What are the wavelength and frequency of the sound wave in air ...
*Friday, April 13, 2012 at 6:00pm by Reza*

**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*

**Physics**

A string is 37.5 cm long and has a mass per unit length of 5.95 10-4 kg/m. What tension must be applied to the string so that it vibrates at the fundamental frequency of 612 Hz? The answer is supposed to be 125 N, but I'm not sure how to get this answer. So far, I have found ...
*Thursday, July 12, 2012 at 12:58am by James*

**Physics**

A spherical helium filled balloon is attached to a string that is fixed to the ground. the balloon has a volume of .30/4m^3 and helium has a density of .20 kg/m^3. What is the weight of the balloon and helium if the tension on the string is .8N?
*Friday, October 11, 2013 at 1:41pm by George*

**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**

A small 0.533-kg object moves on a frictionless horizontal table in a circular path of radius 1.10 m. The angular speed is 6.41 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the circle. Someone under...
*Friday, March 22, 2013 at 12:06am by cody*

**physics**

A string under a tension of 42.6 N is used to whirl a rock in a horizontal circle of radius 2.47 m at a speed of 19.7 m/s. The string is pulled in and the speed of the rock increases. When the string is 1.13 m long and the speed of the rock is 46.9 m/s, the string breaks. What...
*Saturday, February 22, 2014 at 11:05am by Mimi*

**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*

**PHYSICS URGENT DUE IN 15 MINUTES**

The figure below (a) shows a sphere with a radius of r = 157 mm (density ñ = 1.24 g/cm³) suspended in water by a string. The ball is completely submerged in the water and the string is attached from the bottom of the water tank to the bottom of the sphere. What is the tension ...
*Thursday, March 24, 2011 at 11:06pm by Anonymous*

**physics**

A string under a tension of 43 N is used to whirl a rock in a horizontal circle of radius 3.3 m at a speed of 26.46 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.635 m long and the speed of the rock is 80.5 m/s, the string breaks. What...
*Monday, December 19, 2011 at 9:50pm by Melanie*

**physics**

Two masses m1 and m2 are suspended from the ceiling by two string segments. What is the tension in each string segment? Let m1 = 10 kg and m2 = 20 kg.
*Tuesday, December 7, 2010 at 5:45pm by Kay*

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