Thursday

April 24, 2014

April 24, 2014

Number of results: 15,283

**physics**

2. Rod A, which is 30 cm long, expands by 0.045 cm when heated from 0°C to 100°C. Rod B, also 30 cm long expands by 0.075 cm for the same change in temperature. A third Rod C, also 30 cm long is made up of the materials of rod A and B, connected end to end. It expands by 0.065...
*Monday, February 13, 2012 at 9:33am by Anonymous*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C toward the rod away from the rod
*Monday, September 16, 2013 at 9:49pm by suhani*

**college physics**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C toward the rod away from the rod
*Wednesday, September 18, 2013 at 4:14am by suhani*

**Physics**

A nonuniform 2.0-kg rod is 2.0 m long. The rod is mounted to rotate freely about a horizontal axis perpendicular to the rod that passes through one end of the rod. The moment of inertia of the rod about this axis is 4.0 kg m2. The center of mass of the rod is 1.2 m from the ...
*Sunday, October 28, 2012 at 7:35am by Anonymous*

**physics**

An aluminum rod is 21.5 cm long at 20°C and has a mass of 350 g. If 12500 J of energy is added to the rod by heat, what is the change in length of the rod?
*Monday, November 8, 2010 at 9:20am by Erica--help!*

**Physics**

A 1.2 -long steel rod with a diameter of 0.50 hangs vertically from the ceiling. An auto engine weighing 4.7 is hung from the rod. By how much does the rod stretch?
*Thursday, November 22, 2012 at 11:40pm by Coco*

**Physics**

A 1.2m -long steel rod with a diameter of 0.50cm hangs vertically from the ceiling. An auto engine weighing 4.7kN is hung from the rod. By how much does the rod stretch?
*Wednesday, March 5, 2014 at 7:46pm by Georgey*

**Waves**

a long fishing rod is kept upright .A boat engine causes the rod to vibrate.Mary speculates that the end of the rod moves to and fro 20 times in 1 minute.The amplitude of the vibrtion is 0.15m.Calculate the speed of the vibration at the end of the fishing rod
*Wednesday, June 15, 2011 at 9:37am by Sivashen*

**physics**

A graphite rod is 1.0 m long, with a 1.0 cm by 0.5 cm rectangular cross sectional area. What is the electrical resistance between its long ends? What must be the diameter of a circular 2.0 m long copper rod if its resistance is to be the same?
*Friday, March 9, 2012 at 10:33am by pakilina*

**physics**

A metal rod is 40.125 cm long at 20 °C and 40.148 cm long at 35 °C. calculate the coefficient of linear expansion of the rod for this temperature range.
*Wednesday, February 22, 2012 at 4:30am by selena*

**physic**

An aluminum rod is 10.0 cm long and a steel rod is 80.0 cm long when both rods are at a temperature of15 degrees cel. Both rods have the same diameter. The rods are joined end-to-end to form a rod 90.0 cm long. The coefficients of linear expansion of aluminum and steel are2....
*Saturday, July 24, 2010 at 3:25pm by Paul*

**Physics **

According to the Guinness Book of World Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15 cm (5.9 in) long. Assume the speed quoted is that of the end of the rod. What is the centripetal acceleration of the ...
*Sunday, January 13, 2013 at 9:42pm by Emily*

**AP Physics**

A long, straight wire carries a current of 740 mA. A thin metal rod 45 cm long is oriented perpendicular to the wire and moves with a speed of 1.8 m/s in a direction parallel to the wire. What are the size and direction of the emf induced in the rod if the nearest point of the...
*Saturday, April 9, 2011 at 4:44pm by Martina*

**physics**

Resonance of sound waves can be produced within an aluminum rod by holding the rod at its midpoint and stroking it with an alcohol-saturated paper towel. In this resonance mode, the middle of the rod is a node while the ends are antinodes; no other nodes or antinodes are ...
*Monday, December 6, 2010 at 1:56pm by Erica--help!*

**physics**

The resistance of a 395 m long aluminum rod is 3580 . A. Find the cross-sectional area of the rod mm2 B. Find the current in the rod when a potential difference of 14 V is applied across the ends. A
*Monday, February 20, 2012 at 8:01pm by Anonymous*

**Physics**

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

**physics**

A long, straight metal rod has a radius of 4.50 cm and a charge per unit length of 30.0 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measured perpendicular to the rod. a)3.00 cm b)13.5 cm c)120 cm
*Monday, November 1, 2010 at 1:26am by anonymous*

**Physics**

A long, straight metal rod has a radius of 6.00 cm and a charge per unit length of 36.0 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measured perpendicular to the rod. (a) 1.50 cm N/C (b) 13.5 cm N/C (c) 125 cm N/C
*Friday, September 13, 2013 at 3:58am by gita*

**Physics- Angular Momentum**

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

**magnetism**

infinitely long wire carries a current I100A. Below the wire a rod of length L 10cm is forced to move at a constant speed v=5m/s long horizontal conducting rails. The rod and rails form a conducting loop. The rod has resistance of R 0.4ohms. The rails have neglibible ...
*Tuesday, December 17, 2013 at 3:51pm by james*

**physics**

6. A square aluminum rod is 1.0 meters long and 5.0 mm on edge. What is the resistance between its ends? What must be the diameter of a circular 1.0 meter long copper rod if its resistance is to be the same
*Monday, March 14, 2011 at 2:32pm by okay*

**Angular Momentum**

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

**math**

Uniform rod AB with end B resting against rough vertical wall. Coefficient of friction between wall and rod is μ. Rod is 2m long and has mass 3kg. Rod is kept in limiting equilibrium by a light inextensible string, one end of which is attached to the end A of the rod and ...
*Wednesday, April 23, 2014 at 10:01am by Michael*

**Physics - PLEASE HELP**

A rod is 2.40 m long and has a diameter of 2.50 mm. A force of 2000 N is applied to the end to stretch the rod by 1.00 mm. What is the tensile modulus for this rod? 7.50 × 1011 N/m2 8.70 × 1011 N/m2 9.78 × 1011 N/m2 10.2 × 1011 N/m2 10.8 × 1011 N/m2
*Sunday, November 10, 2013 at 5:37pm by Jon*

**Physics**

The density of a 4.41-m long rod can be described by the linear density function λ(x) = 111 g/m + 12.3x g/m2. One end of the rod is positioned at x = 0 and the other at x = 4.41 m. found total mass of rod to be: 609 grams need help finding : the center-of-mass coordinate...
*Thursday, March 10, 2011 at 12:54pm by Emily*

**Physics**

The density of a 4.41-m long rod can be described by the linear density function λ(x) = 111 g/m + 12.3x g/m2. One end of the rod is positioned at x = 0 and the other at x = 4.41 m. found total mass of rod to be: 609 grams need help finding : the center-of-mass coordinate...
*Thursday, March 10, 2011 at 1:06pm by Emily*

**physics**

A long, straight metal rod has a radius of 6.00 cm and a charge per unit length of 36.0 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measured perpendicular to the rod. (a) 1.50 cm N/C (direction) (b) 13.5 cm N/C (...
*Sunday, September 8, 2013 at 11:16am by preya*

**physics**

A long, straight metal rod has a radius of 6.00 cm and a charge per unit length of 36.0 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measured perpendicular to the rod. (a) 1.50 cm N/C (direction) (b) 13.5 cm N/C (...
*Monday, September 9, 2013 at 2:02pm by preya*

**physics**

In a certain experiment, it is necessary to be able to move a small radioactive source at selected, extremely slow speeds. This is accomplished by fastening the source to one end of an aluminum rod and heating the central section of the rod in a controlled way. If the ...
*Wednesday, April 23, 2008 at 6:07pm by lizzy*

**rotational mechanics**

a thin rod of length 2R and mass M is standing vertically on a perfectly smooth floor. the state of equilibrium in which the rod at rest is unstable and the rod falls. FInd the trajectories that the various points of rod describe and velocity with which the upper end of rod ...
*Wednesday, March 31, 2010 at 11:46am by pramod*

**College Physics**

A rod of mass 4.3 kg and length 4.3 m hangs from a hinge as shown in Figure P9.28. The end of the rod is then given a “kick” so that it is moving at a speed of 2.3 m/s. How high will the rod swing? Express your answer in terms of the angle (in degree) that the rod makes with ...
*Tuesday, October 18, 2011 at 8:46pm by Anon*

**Physics**

A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ...
*Tuesday, February 11, 2014 at 5:00pm by Molly*

**Physics**

A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ...
*Tuesday, February 11, 2014 at 7:07pm by Molly*

**physics**

A 1.4-m-long massless rod is pivoted at one end and swings around in a circle on a frictionless table. A block with a hole through the center can slide in and out along the rod. Initially, a small piece of wax holds the block 20 from the pivot. The block is spun at 50 , then ...
*Saturday, April 28, 2012 at 4:00am by Anonymous*

**physics**

A uniform 1.3-kg rod that is 0.80 m long is suspended at rest from the ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unstretched. Their spring constants are 60 N/m and 35 N...
*Wednesday, December 1, 2010 at 1:27pm by sammie*

**Physics - please help!!..**

A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ...
*Wednesday, February 12, 2014 at 8:48am by Molly*

**Physics**

The left end of a 1-kg, 1.0 m long uniform thin rod is attached to a pivot, about which it can rotate freely. A force F is applied at the right end of the rod at 30 degree angle to hold the rod stationary in a horizontal position. What is the magnitude of the force F? I think ...
*Sunday, April 21, 2013 at 10:31am by gina*

**Physics**

A long, thin rod (length = 4.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +5.0 µC point charge is fixed to one end of the rod, while a -5.0 µC point charge is fixed to the other end. Everywhere in the x, y plane there is a constant external ...
*Saturday, January 26, 2013 at 3:03am by Amy*

**Physics**

A long, thin rod (length = 4.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +5.0 µC point charge is fixed to one end of the rod, while a -5.0 µC point charge is fixed to the other end. Everywhere in the x, y plane there is a constant external ...
*Saturday, January 26, 2013 at 2:03pm by Amy*

**science-physics**

A worker sits at one end of a 183-N uniform rod that is 2.80 m long. A weight of 107 N is placed at the other end of the rod. The rod is balanced when the pivot is 0.670 m from the worker. Calculate the weight of the worker
*Wednesday, May 15, 2013 at 1:51am by karen*

**Physics**

One cm of a 10-cm-long rod is made of metal, and the rest is wood. The metal has a density of 5000 kg/m3 and the wood has a density of 500 kg/m3. When the rod is set into pure water, the metal part points downward. How much of the rod is underwater?
*Thursday, December 16, 2010 at 1:14pm by Sara*

**college physics**

One cm of a 10-cm-long rod is made of metal, and the rest is wood. The metal has a density of 5000kg/m^3 and the wood has a density of 500kg/m^3. When the rod is set into pure water, the metal part points downward. How much of the rod is underwater?
*Monday, December 6, 2010 at 1:48pm by jessica*

**college physics**

One cm of a 10-cm-long rod is made of metal, and the rest is wood. The metal has a density of 5000kg/m^3 and the wood has a density of 500kg/m^3. When the rod is set into pure water, the metal part points downward. How much of the rod is underwater?
*Monday, December 6, 2010 at 1:48pm by jessica*

**Physics**

One end of a uniform 3.20-m-long rod of weight Fg is supported by a cable at an angle of θ = 37° with the rod. The other end rests against the wall, where it is held by friction as shown in the figure below. The coefficient of static friction between the wall and the rod...
*Saturday, April 5, 2014 at 5:35pm by Joe*

**physics**

A cylindrical rod( length L, radius R and density d) is dipped vertically in to a liquid. the rod is connected by a wire to a balance that measures the force to lift the rod. the contact angle between rod and liquid is θ. If rod is partially immersed so 0.5L is above the ...
*Sunday, March 6, 2011 at 11:05pm by kinjal*

**physics**

A cylindrical rod( length L, radius R and density d) is dipped vertically in to a liquid. the rod is connected by a wire to a balance that measures the force to lift the rod. the contact angle between rod and liquid is θ. If rod is partially immersed so 0.5L is above the ...
*Sunday, March 6, 2011 at 11:06pm by kinjal*

**physics**

A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ...
*Wednesday, February 12, 2014 at 1:45pm by Naya*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Friday, September 13, 2013 at 3:54am by vishal*

**physics**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Sunday, September 22, 2013 at 10:29pm by suhani*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Monday, September 23, 2013 at 10:45pm by suhani*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Tuesday, September 24, 2013 at 7:14pm by suhani*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Friday, September 27, 2013 at 10:10pm by suhani*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Saturday, September 28, 2013 at 4:00am by physics*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Saturday, September 28, 2013 at 7:54pm by physics*

**PHYSICS**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Sunday, September 29, 2013 at 5:51pm by physics*

**retired disabled vet**

Please help. To build a straight tapered fishing rod and I start at the butt or big end, the measurment is 400 thousands. if rod tip is 75 thousands. if i stsrt at butt end what will the meaqsurments be at 5" intervals. ie butt,5" 10" 15" ect. rod will be 60 inches long. Thanks
*Sunday, March 2, 2014 at 5:16pm by Bernie Stark*

**Physics**

If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the ...
*Tuesday, October 23, 2012 at 10:24am by Laurie*

**physics**

For the step ladder shown in the Figure, sides and are each ft long and hinged at . is a -ft long tie rod, installed halfway up the ladder. A -kg man climbs ft along the ladder. Assuming that the floor is frictionless and neglecting the weight of the ladder, find the tension ...
*Thursday, April 10, 2008 at 1:21am by lizzy*

**college physics**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
*Saturday, September 21, 2013 at 2:43am by vishal*

**physics**

A uniform thin rod of length 0.55 m and mass 5.5 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is a rest when a 3.0-g bullet traveling in the horizontal plane of the rod is fired into one end of the rod. As viewed from above, the ...
*Wednesday, April 9, 2014 at 12:33pm by Tsion*

**physics**

A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 70 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
*Saturday, March 24, 2012 at 3:18pm by deb*

**physics**

A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
*Saturday, March 24, 2012 at 8:34pm by please*

**physics**

A 1-kg mass (the blue mass) is connected to a 8-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
*Sunday, March 25, 2012 at 11:10am by hania*

**physics**

A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
*Sunday, March 25, 2012 at 3:00pm by hania*

**physics**

A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 67 cm long, as shown in the figure. A hole is then drilled in the rod 40.2 cm away from the 1-kg mass, and the rod and masses are free to rotate about this pivot point, P. Calculate the ...
*Monday, March 26, 2012 at 8:36am by Anonymous*

**Physics**

A thin rod L = 9.0 cm long is uniformly charged and has a total charge of 4.4 nC. Find the magnitude of the electric field at a point P located at a distance R = 13.5 cm from the center of the rod when: (a) The point P lies along the axis of the rod Electric field =___kN/C (b...
*Monday, July 9, 2012 at 11:11pm by Rain*

**Physics**

The density of a 5.0-m long rod can be described by the linear density function λ(x) = 140 g/m + 14.8x g/m2. One end of the rod is positioned at x = 0 and the other at x = 5 m. (a) Determine the total mass of the rod. (b) Determine the center-of-mass coordinate. I found ...
*Monday, June 11, 2012 at 7:14pm by James*

**Physics**

An infinitely long wire carries a current I=100A. Below the wire a rod of length L=10cm is forced to move at a constant speed v=5m/s along horizontal conducting rails. The rod and rails form a conducting loop. The rod has resistance of R=0.4ohms. The rails have neglibible ...
*Thursday, December 12, 2013 at 8:29am by Anonymous*

**AP Physics**

A uniform thin rod of length 0.3m and mass 3.5kg can rotate in a horizontal plane about a vertical axis through its center. The rod is at rest when a 3g bullet traveling in the horizontal plane of the rod is fired into one end of the rod. As viewed from above, the direction of...
*Friday, February 8, 2008 at 6:10pm by Darlene*

**Physics - Center of Mass**

The density of a 5.0-m long rod can be described by the linear density function λ(x) = 145 g/m + 14.2x g/m2. One end of the rod is positioned at x = 0 and the other at x = 5 m. a) Determine the total mass of the rod. b) Determine the center-of-mass coordinate.
*Saturday, June 16, 2012 at 7:43pm by Joe*

**physics**

If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the ...
*Monday, October 22, 2012 at 4:39pm by laurie*

**Physics Elena Help pls**

An infinitely long wire carries a current I=100amp . Below the wire a rod of length L=10cm is forced to move at a constant speed v=5m/s along horizontal conducting rails. The rod and rails form a conducting loop. The rod has resistance of R=0.4 ohms . The rails have neglibible...
*Monday, December 16, 2013 at 7:14pm by saru*

**Physics**

A 1.13 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. The upper string is 24.0 cm long and has a tension of 31.5 N, and it makes an angle θ2 = 51.0° with the rod, while the lower string makes ...
*Monday, September 30, 2013 at 9:21pm by Charlie*

**phy**

1. A Uniform rod AB 3m long weighing 3 Kg is held horizontally by two strong vertical strings at its ends. A weight of 7 kg is hanging on the rod at a distance of 1m from end A and another weight of 12 Kg is hanging at 0.5 m from end B.(a)Make the free body diagram of the rod ...
*Tuesday, August 24, 2010 at 10:31am by shiva*

**college physics**

I don't know where to begin with this question. Could someone help me please? A rod of mass 4.1 kg and length 1.6 m hangs from a hinge as shown in the figure below. The end of the rod is then given a "kick" so that it is moving at a speed of 5 m/s. How high will the rod swing...
*Friday, December 2, 2011 at 11:22am by peter*

**physics**

A moving rod is 12.0 cm long and moves with a speed of 15.0 cm/s. If the magnetic field is 0.800 T, calculate (a) the emf developed, and (b) the electric field in the rod. I got a)0.0132v and b).12v/m
*Saturday, October 9, 2010 at 9:26am by dude*

**science**

A 1.4 kg ball and a 3.0 kg ball are connected by a 1.0 m long rigid, massless rod. The rod is rotating cw about its center of mass at 24 rpm. What torque will bring the balls to a halt in 4.2 s?
*Sunday, April 15, 2012 at 4:45pm by james*

**visual basic**

here is my source code for my program im trying to convert 10 units from furlong to meters the answer is supposed to be 2011.68 meters i keep getting 2000. I know if i cant get this right the rest of the conversion will give the wrong answers anybody have any ideas? Dim inch ...
*Friday, May 8, 2009 at 1:11pm by cl*

**Physics**

A 1.34‒kg ball is attached to a rigid vertical rod by means of two massless strings each 1.70 m long. The strings are attached to the rod at points 1.70 m apart. The system is rotating about the axis of the rod, both strings being taut and forming an equilateral triangle...
*Sunday, February 23, 2014 at 2:42am by Chrxeyshthoufov*

**physics**

A uniform rod of mass M = 0.245kg and length L = 0.49m stands vertically on a horizontal table. It is released from rest to fall. (a) Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force exerted by the table on ...
*Tuesday, October 30, 2012 at 11:30am by jay*

**physics**

A 148 kg student sits on a chair which is solely supported by a solid 0.97 meter-long steel rod 0.68 cm in diameter. What is the change in length of the rod produced by the student's weight? Delta l =
*Monday, March 31, 2014 at 2:20pm by physicskid*

**physics**

A rigid rod holds a restaurant sign horizontally from the side of a building. The force due to gravity acting on the sign is 165N with the angle between the sign and the rod being 50 degrees. Ignoring the weight of the rod what is the magnitude of the tension in the rod?
*Wednesday, February 6, 2013 at 11:39am by Carolyn*

**Physic**

Can some one help me with this question. A uniform 119.0 cm long, 78.0 gram wooden rod is suspended from it midpoint. On one end of the rod, a mass of 350 g is attached, and on the other end a mass of 150 g is attached. A third mass of 225 g is attached at some distance x from...
*Sunday, November 4, 2012 at 9:26pm by Mary Pinzon*

**physics**

Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force exerted by the table on the rod as it makes an angle θ = 49.6° with respect to the vertical. b) If the rod falls onto the table without slipping, find the ...
*Sunday, April 3, 2011 at 7:56pm by please help!!!!*

**Physics**

A copper rod (length = 1.3 m, radius = 3.70 10-3 m) hangs down from the ceiling. A 8.3-kg object is attached to the lower end of the rod. The rod acts as a "spring", and the object oscillates vertically with a small amplitude. Ignoring the rod's mass, find the frequency f of ...
*Friday, November 30, 2012 at 8:02pm by Elizabeth*

**Physics**

The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the rod will decrease. The length of the rod will increase. Wouldn't the length double, thus being answer D?
*Tuesday, October 23, 2012 at 10:26am by Laurie*

**Physics**

The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the rod will decrease. The length of the rod will increase. Wouldn't the length double, thus being answer D?
*Wednesday, October 24, 2012 at 5:07pm by Laurie*

**Physics**

There is a rod that is 50cm long and has a radius of 1cm that carries a charge of 2uC distributed uniformly over its length. What would be the value of the magnitude of the electric field. (a) 4.0 mm from the rod surface, not either end So far I have 2(8*10^-6)(9*10^9)/.55=...
*Tuesday, August 25, 2009 at 12:50pm by Sammy*

**physics**

a rod supports a 2.35 kg lamp. a)what is the magnitude of the tension in the rod? b)calculate the components of the force that the bracket exerts on the rod.
*Sunday, December 4, 2011 at 12:44pm by jessica*

**physics ( help)**

The active element of a certain laser is made of a glass rod 30cm long and 1.5cm in diameter. The average coefficient of linear expansion of glass is 9 x 10^-6°C-1. If the temperature of the rod increases by 65°C, what is the increase in its volume?
*Thursday, April 28, 2011 at 9:18am by UnKnown*

**science**

A uniform AB 2m long Rod which exerts a downwards force of 60N at its centre is placed on a knife egde support position 0.8m from A determine the vertical downward force required at A to prevent rotation of the Rod.
*Sunday, April 6, 2014 at 1:13am by mwazzy*

**physics**

True or false questions a)Rubbing a polythene rod with a duster gives the rod extra negative charge. b)Rubbing a polythene rod with a duster takes away positive charge from the duster. c)The duster will have the same charge as the polythene rod it has rubbed. d)The duster will...
*Sunday, February 8, 2009 at 1:35am by Victor*

**physics **

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value. c. The length of the ...
*Saturday, April 30, 2011 at 12:05am by ashley --*

**physics **

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value. c. The length of the ...
*Saturday, April 30, 2011 at 10:24am by ashley --*

**Physics**

The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the rod will decrease. The length of the rod will increase. Wouldn't the length double, thus being answer D? No one has answered this question yet.
*Monday, October 22, 2012 at 8:35pm by Laurie*

**physics**

A rod of length L = 1.2 m pivots freely about one end. The rod is held horizontally and released, with no intial velocity. Find the angular velocity of the rod as it passes through the vertical orientation. (Use conservation of energy. The rotational inertia of a rod like this...
*Wednesday, December 12, 2012 at 1:37am by Karan*

**Physics 203**

A 2.4 m long rod of mass m1 = 11.0 kg, is supported on a knife edge at its midpoint. A ball of clay of mass m2 = 5 kg is dropped from rest from a height of h = 1.1 m and makes a perfectly inelastic collision with the rod 0.9 m from the point of support. Find the angular ...
*Wednesday, April 13, 2011 at 7:06pm by Kayla *

**physics**

A thin non-uniform rod of length L=2.00 m and mass M=9.00 kg is free to pivot about an axis at one end. The CM of the rod is at a distance d=1.30 m from that end as illustrated below. The rod's moment of inertia about an axis through its CM and parallel to the rotation axis is...
*Wednesday, October 31, 2012 at 7:48pm by sharkman*

**rpi**

For the stepladder shown in Fig. 12-51, sides AC and CE are each 3.34 m long and hinged at C. Bar BD is a tie-rod 0.662 m long, halfway up. A man weighing 746 N climbs 2.51 m along the ladder. Assuming that the floor is frictionless and neglecting the mass of the ladder, find...
*Monday, November 15, 2010 at 1:47am by Anonymous*

**Physics**

There is a rod that is 50cm long and has a radius of 1cm that carries a charge of 2uC distributed uniformly over its length. What would be the value of the magnitude of the electric field. (a) 4.0 mm from the rod surface, not either end So far I got E1/4density-2pie0r or E= 2(...
*Tuesday, August 25, 2009 at 12:01am by Sammy*

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