Friday

April 25, 2014

April 25, 2014

Number of results: 57,579

**physics**

Suppose a diving board with no one on it bounces up and down in a simple harmonic motion with a frequency of 3.00 Hz. The board has an effective mass of 10.0 kg. What is the frequency of the simple harmonic motion of a 62.0 kg diver on the board?
*Sunday, July 28, 2013 at 9:43pm by Justin*

**Physics(Simple Harmonic motion and Elasticity)**

A copper rod (length = 2.0 m, radius = 3.0 * 10^-3 m) hangs down from the ceiling. A 9.0-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...
*Monday, April 8, 2013 at 2:30pm by Elapid*

**Physics**

Directly below on the floor is a stationary 428-Hz source of sound. The microphone vibrates up and down in simple harmonic motion with a period of 2.3 s. The difference between the maximum and minimum sound frequencies detected by the microphone is 2.2 Hz. Ignoring any ...
*Sunday, January 29, 2012 at 12:59pm by Claire*

**Physics: Simple Harmonic Motion**

A 10kg particle undergoes simple harmonic motion with an amplitude of 2.0mm, a maximum acceleration of 8.0x10^3 m/s^2, and an unknown phase constant (phi) What are: a.) the period of the motion b.) the maximum speed of the particle c.) total mechanical energy of the oscillator...
*Wednesday, December 1, 2010 at 8:01pm by Greg*

**physics**

A small ball is set in horizontal motion by rolling it with a speed of 3.00 m/s across a room 12.0m long, between two walls. Assume that the collisions made with each wall are perfectly elastic and that the motion is perpendicular to the two walls. (a)Show that the motion is ...
*Thursday, March 15, 2007 at 4:32pm by sam*

**PHYsics !!**

a) What do you understand by Simple Harmonic Motion? b) A simple harmonic motions is characterized by the equation x = (10 cm) sin (0.1t + ) where, x is in cm and t is in seconds Determine the i. amplitude and angular frequency. ii. linear frequency and period. iii. ...
*Tuesday, August 27, 2013 at 9:32am by kent*

**Simple Harmonic Motion**

have performed an experiment of simple harmonic motion and the values I got Mass(g) Distance (m) 200 0.438 250 0.398 300 0.345 350 0.312 400 0.297 450 0.281 500 0.259 I would like to know how to calculate the spring constant... since I have been having weird values, if ...
*Tuesday, February 8, 2011 at 9:08pm by Abi*

**physics**

The length of a simple pendulum is 0.79m and the mass of the particle at the end of the cable is 0.24 kg. The pendulum is pulled away from its equilibrium position by an angle of 8.5 degrees and released from rest. Assume that friction can be neglected and that the resulting ...
*Sunday, December 12, 2010 at 11:05pm by David*

**physics **

A particle vibrates in Simple Harmonic Motion with amplitude. What will be its displacement in one time-period if you attach a mass to the spring from its initial equilibrium position, it vibrates forever in simple harmonic motion. Why doesn't it come to rest after stretching ...
*Saturday, February 26, 2011 at 1:25pm by calous --- HELP PLEASEE!!!*

**Physics**

An object has a mass of 0.5 kg. It undergoes a simple harmonic motion. The amplitude of that motion is 0.07 m and the period is 0.31 s. What is the total energy of the object?
*Tuesday, December 1, 2009 at 9:51pm by Sammy*

**physics**

An object-–spring system undergoes simple harmonic motion. If the mass of the object is doubled, what will happen to the period of the motion?
*Friday, April 11, 2014 at 8:01pm by Paige*

**Physics**

A spring stretches 4.3 cm when a 13 g object is hung from it. The object is replaced with a block of mass 22 g that oscillates in simple harmonic motion, calculate the period of motion.
*Sunday, December 5, 2010 at 2:14pm by Lynette*

**Physics**

A spring stretches 4.3 cm when a 13 g object is hung from it. The object is replaced with a block of mass 22 g that oscillates in simple harmonic motion, calculate the period of motion.
*Monday, December 6, 2010 at 11:12am by Anonymous*

**Physics**

A simple pendulum is 9.00 m long. (a) What is the period of simple harmonic motion for this pendulum if it is hanging in an elevator accelerating upward at 2.00 m/s2? I keep getting 6.7, but it's wrong
*Monday, August 4, 2008 at 11:03pm by Elisa*

**physics**

A 5.7 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. At time t = 0 s, the block has a displacement of -0.70 m, a velocity of -0.80 m/s, and an acceleration of +2.7 m/s2. The amplitude of the motion is closest to:
*Thursday, December 6, 2012 at 12:20am by quaviz*

**physics**

A 0.20-kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. The simple harmonic motion that occurs has a maximum speed of 2.0 m/s. Determine the amplitude A of the motion.
*Saturday, January 25, 2014 at 11:23am by Kate*

**physics**

A block is attached to a horizontal spring and set in simple harmonic motion, as shown in the figure. At what point in the motion is the speed of the block at its maximum? The position of the block when the spring is relaxed is marked by x = 0, and the extremes of the block\'s...
*Friday, April 11, 2014 at 8:05pm by Paige*

**trig**

8. Write the equation for simple harmonic motion given that the amplitude is 5 centimeters and the frequency is 2/ ð cycles per second. Assume that the maximum displacement occurs when t = 0. a. y = 5sin4t b. y = 5cos2t c. y = 5cos4t d. y = 5sin2t 9. Write the equation for ...
*Friday, August 6, 2010 at 9:35pm by Claire*

**Physics**

A 200-g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.250 s. If the total energy of the system is 2.00 J, find (a) The force constant of the spring and (b) The amplitude of the motion.
*Thursday, February 17, 2011 at 1:05pm by Ray*

**Physics Please Help**

A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend at positions with x>0.75A? Hint: Use the analog of uniform circular motion.
*Thursday, October 21, 2010 at 9:51pm by Nikki *

**Physics Please Help**

A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend at positions with x>0.75A? Hint: Use the analog of uniform circular motion.
*Thursday, October 21, 2010 at 9:51pm by Nikki *

**phyics**

An object in simple harmonic motion has an amplitude of 0.202 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion
*Tuesday, November 12, 2013 at 10:54am by Joey*

**Phyics**

An object in simple harmonic motion has an amplitude of 0.202 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion.
*Saturday, November 16, 2013 at 4:54pm by Corey*

**Harmonic Oscillation**

The velocity of a certain simple harmonic oscillator is given by: v=-(12m/s)sin [(6.0rad/s)t]. What is the amplitudeof the simple harmonic oscillator. Please show your work.
*Sunday, October 28, 2007 at 4:52pm by ly1018*

**PHYSICS**

An object is attached to an ideal spring. It undergoes a simple harmonic motion with a total energy of E = 2.2 J. The amplitude of the motion is 0.7 m and the maximum speed of the object is 0.5 m/s. Find the spring constant.
*Thursday, April 7, 2011 at 7:27pm by Unknown*

**PHYSICS**

A 0.181 kg mass is attached to a spring and executes simple harmonic motion with a pe-riod of 0.21 s. The total energy of the system is 1.2 J. Find the force constant of the spring. b) Find the amplitude of the motion.
*Saturday, November 20, 2010 at 5:45pm by JACK*

**physics**

A simple pendulum with a length of 1.50 m is suspended from the ceiling of a train. What is the period of simple harmonic motion for the pendulum if the train is moving up an incline of 15.0˚ with an acceleration of 3.00 m/s²? Don't know how to do, please help
*Wednesday, August 6, 2008 at 12:06am by Elisa*

**Physics**

An object with mass 3.7 is attached to a spring with spring stiffness constant 270 and is executing simple harmonic motion. When the object is 2.5×10−2 from its equilibrium position, it is moving with a speed of 0.45 . what is the amplitude of the motion?
*Thursday, August 30, 2012 at 12:29pm by Lori*

**Physics**

An object with mass 5.0 kg is attached to a spring with spring stiffness constant 192 N/m and is executing simple harmonic motion. When the object is 0.35 m from its equilibrium position, it is moving with a speed of 0.02 m/s. Calculate the amplitude of the motion.
*Tuesday, March 5, 2013 at 10:20am by Anonymous*

**Physics**

An object with mass 5.0 kg is attached to a spring with spring stiffness constant 192 N/m and is executing simple harmonic motion. When the object is 0.35 m from its equilibrium position, it is moving with a speed of 0.02 m/s. Calculate the amplitude of the motion.
*Wednesday, March 6, 2013 at 4:21pm by Anonymous*

**Physics Simple Harmonic Motion**

The displacement of an object in SHM is given by y(t) = (7.0 cm)sin[(1.58 rad/s)t]. What is the frequency of the oscillations?
*Tuesday, April 5, 2011 at 2:54pm by John*

**Physics**

The position of a body moving in simple harmonic motion is given by m t x ï£· ï£¸ ï£¶ ï£¬ ï£ ï£« + = 4 9 cos 3 Ï€ . For this motion, what are the (a) amplitude, period, phase constant, frequency, and angular frequency? Determine the bodyâ€™s (b) maximum speed and maximum ...
*Sunday, December 18, 2011 at 8:43am by Dia*

**Physics**

Simple Harmonic Motion With the equation x=Acos(2 pi f) t why and how does f affect x This is really urgent! Thanx for any help! frequency determines how rapidly x oscillates.
*Thursday, May 17, 2007 at 11:17am by Claire*

**Physics**

A bouncing ball returns to the same height each time. Is this an example of simple harmonic motion? Explain your answer.
*Monday, June 18, 2012 at 6:21pm by Jamie*

**PHYSICS**

An object undergoes simple harmonic motion. During that motion the object needs 1.1 seconds to reach one point of zero velocity from the previous such point. If the distance between those points is 0.3 m, calculate the period.
*Thursday, April 7, 2011 at 6:25pm by Unknown*

**physics**

Q 2) A particle executes simple harmonic motion with an amplitude of 10 cm. At what distance from the mean position are the kinetic and potential energies equal ?
*Saturday, November 20, 2010 at 7:48am by Pronab*

**conceptual physics problem**

A particle is oscillating in simple harmonic motion. The time required for the particle to travel through one complete cycle is equal to the period of the motion, no matter what the amplitude is. But how can this be, since larger amplitudes mean that the particle travels farther?
*Tuesday, November 11, 2008 at 10:27pm by Miss.Seena*

**physics help!**

Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 155 N/m. The motion of the object on spring 1 has twice the amplitude as the motion of the object on spring 2. The magnitude of the...
*Saturday, November 19, 2011 at 2:26pm by meagan*

**Physics**

A loudspeaker diaphragm is producing a sound for 2.0 s by moving back and forth in a simple harmonic motion. The angular frequency of the motion is 8.55 104 rad/s. How many times does the diaphragm move back and forth?
*Friday, November 30, 2012 at 8:00pm by Elizabeth*

**pysics**

A spring stretches 3.4-cm when a 7-g object is hung from it. The object is replaced with a block of mass 24 g that oscillates in simple harmonic motion. Calculate the period of motion
*Thursday, January 6, 2011 at 4:44pm by sarah*

**Physics Simple Harmonic Motion**

A sewing machine needle moves with a rapid vibratory motion, rather like SHM, as it sews a seam. Suppose the needle moves 8.4 mm from its highest to its lowest position and it makes 27 stitches in 8.5 s. What is the maximum needle speed?
*Tuesday, April 5, 2011 at 2:55pm by John*

**physics**

A 215 g mass is attached to a spring and executes simple harmonic motion with a period of 0.250 s. If the total energy of the system is 2.30 J. (a) Find the force constant of the spring. 135.81 N/m (b) Find the amplitude of the motion. i just need help with what equation i ...
*Wednesday, January 12, 2011 at 3:21pm by julie*

**physics**

A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 0.3 Hz. (a) What is the angular velocity of this system?
*Monday, November 26, 2012 at 6:29pm by Anonymous*

**physics**

A tray is moved horizontally back and forth in simple harmonic motion at a frequency of f = 1.86 Hz. On this tray is an empty cup. Obtain the coefficient of static friction between the tray and the cup, given that the cup begins slipping when the amplitude of the motion is 5....
*Tuesday, November 26, 2013 at 3:57pm by Donna*

**physics**

A particle that undergoes simple harmonic motion has a period of 0.4 s and an amplitude of 12 mm. The maximam velocity of the particle is?
*Thursday, February 16, 2012 at 10:12am by Abdela*

**phyics**

A 0.20-kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. The simple harmonic motion that occurs has a maximum speed of 1.1 m/s. Determine the amplitude A of the motion.
*Tuesday, November 12, 2013 at 10:58am by Joey*

**physics**

A person bounces up and down on a trampoline, while always staying in contact with it. The motion is simple harmonic motion, and it takes 2.82 s to complete one cycle. The height of each bounce above the equilibrium position is 40.8 cm. Determine (a) the amplitude and (b) the ...
*Monday, February 2, 2009 at 10:21pm by Sarah*

**physics**

A 0.38-kg mass attached to a spring undergoes simple harmonic motion with a period of 0.63 s. What is the force constant of the spring?
*Thursday, November 18, 2010 at 10:10pm by aok*

**physics**

The motion of a certain simple harmonic oscillator is described by: x(t) = (12 cm) sin [(1 s ^(-1)) t] What is the earliest time t > 0 or t = 0 at which the oscillator's velocity is zero?
*Monday, November 1, 2010 at 2:57pm by Ashleigh*

**Physics**

A 500 g block on a frictionless surface is attached to a rather limp spring of constant k = 8.7 N/m. A second block rests on the first, and the whole system executes simple harmonic motion with a period of 3.1 s. When the amplitude of the motion is increased to 60 cm, the ...
*Sunday, November 11, 2012 at 11:37pm by Mike*

**Physics**

A particle executes simple harmonic motion with an amplitude of 9.00 cm. At what positions does its speed equal two thirds of its maximum speed?
*Monday, January 4, 2010 at 11:39pm by Zoe*

**Physics**

The pistons in an internal combustion engine undergo a motion that is approximately simple harmonic. If the amplitude of motion is 3.8cm , and the engine runs at 1500rpm , find the maximum acceleration of the pistons. Find their maximum speed.
*Wednesday, December 1, 2010 at 5:02am by Phy help!*

**Physics**

An object has a mass of 0.3 kg. It undergoes a simple harmonic motion. The amplitude of that motion is 0.09 m and the period is 0.36 s. What is the total energy of the object? my answer: 4.11 J -period=1/f. - omega=2*pi*f=17.45 only kinetic energy therefore Etotal=1/2mv^2=1/2*...
*Wednesday, December 1, 2010 at 9:31pm by Michael*

**physics**

A loudspeaker diaphragm is vibrating in simple harmonic motion with a frequency of 430 Hz and a maximum displacement of 0.90 mm. what is the max speed? what is the max acceleration?
*Saturday, January 22, 2011 at 5:32pm by Help Please!*

**Physics (Oscillation)**

If a particle moves in simple harmonic motion with a frequency of 3.00 Hz and an amplitude of 5.00 cm through what total distance does the particle move during one cycle of its motion, what is its maximum speed, where does this maximum speed occur and what and where does the ...
*Wednesday, September 8, 2010 at 1:58pm by James*

**Physics**

Planet Earth as a Spring. Assume that the Earth is perfect sphere of mass M=5.98x10^24kg, radius 6,370km, and uniform density. Imagine a long, straight tunnel through the center of the Earth, connecting the North and South poles . A capsule of mass m is dropped into this ...
*Tuesday, February 19, 2013 at 1:04am by Betty Ariston*

**physics**

An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic motion. When the object is 0.020 m from its equilibrium position, it is moving with a speed of 0.55 m/s. (a) Calculate the amplitude of the motion. m...
*Wednesday, March 7, 2012 at 11:47pm by Nicole*

**phy 101**

the velocity of a body performing simple harmonic motion is given as what
*Wednesday, May 18, 2011 at 3:33pm by chuksmezie*

**Physics**

A trapeze artist swings in simple harmonic motion with a period of 3.2 s. The acceleration of gravity is 9.81 m/s2 . Calculate the length of the cables supporting the trapeze. Answer in units of m.
*Friday, March 4, 2011 at 12:11pm by Ellen*

**Physics**

A block rides on a piston that is moving vertically with simple harmonic motion. (a) If the SHM has period 3.1 s, at what amplitude of motion will the block and piston separate? (b) If the piston has an amplitude of 9.6 cm, what is the maximum frequency for which the block and...
*Tuesday, February 22, 2011 at 9:47pm by Jake*

**physics**

a body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5.0 cos (pt). The magnitude of the acceleration (in m/s2) of the body at t = 1.0 s is approximately a. 3.5 b.14 c.43 d.4.3
*Monday, April 11, 2011 at 5:04pm by eugene*

**Physics**

A puck with mass m = 0.17kg slides along a frictionless horizontal surface at v = 5.3m/s . It hits and sticks to the free end of a spring with k = 17N/m Find the amplitude and period of the subsequent simple harmonic motion?
*Tuesday, April 1, 2014 at 12:53am by Eiban*

**physics**

A .255 kg mass is attached to a spring and executes simple harmonic motion with a period of .56 s. The total energy of the system is 3.6 J. Find the force constant of the spring. Answer in units of N/m
*Monday, September 16, 2013 at 7:35pm by Anonymous*

**Phisics**

An object with mass 2.0kg is attached to a spring with spring stiffness constant 240N/m and is executing simple harmonic motion. When the object is 2.2Ã—10âˆ’2m from its equilibrium position, it is moving with a speed of 0.65m/s . Calculate the amplitude of the motion.
*Wednesday, November 27, 2013 at 12:17am by Dani*

**PHYSICS**

a 1kg block is executing simple harmonic motion of amplitude 0.1m on a smooth horizontal surface under the restoring force of a spring of spring constant 100N/M.A block of mass 3kg is gently placed on it at the instant it passes through the mean position .Assuming that the two...
*Thursday, December 24, 2009 at 1:57pm by CHIKIRSHU*

**physics **

A .436 kg mass is attached to a spring and executes simple harmonic motion with a period of .19s. The total energy of the system is 4.6 J. find force constant of the spring. Answer in units of N/m
*Sunday, September 22, 2013 at 10:40pm by Anonymous*

**Physics (Please Help)**

An astronaut lands on an alien planet. He places a pendulum (L = 0.200 m) on the surface and sets it in simple harmonic motion. a. What is the period and frequency of the pendulum’s motion? b. How many seconds out of phase with the displacements shown would graphs of the ...
*Monday, December 12, 2011 at 6:13pm by Mishaka*

**calculus**

If an equation of motion of a particle is given by s(t)= Acos(ùt + ä), the particle is said to undergo simple harmonic motion. Find the velocity of the particle at time t. When is the velocity 0?
*Tuesday, September 27, 2011 at 12:22am by Belinda*

**phyics**

Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 175 N/m. The motion of the object on spring 1 has twice the amplitude as the motion of the object on spring 2. The magnitude of the...
*Tuesday, November 12, 2013 at 11:03am by MATT*

**Physics Help**

A bungee jumper undergoes simple harmonic motion with amplitude 3.5 m and frequency 0.135 Hz. Assume the bungee jumper follows the simple harmonic motion equation x=Acos(wt). A. Determine the bungee jumper's velocity at 0.25 s B. Determine the bungee jumper's velocity at 0.50 ...
*Tuesday, April 1, 2014 at 1:33am by Eiban*

**Physics**

A 10kg particle undergoes simple harmonic motion with an amplitude of 2.0mm, a maximum acceleration of 8.0x10^3 m/s^2, and an unknown phase constant (phi) What are: a.) the period of the motion b.) the maximum speed of the particle c.) total mechanical energy of the oscillator...
*Tuesday, November 30, 2010 at 4:25pm by Greg*

**physics**

A buoy oscillates in simple harmonic motion according to the motion of waves at sea. An observer notes that the buoy moves a total of 6 feet from its lowest point to its highest point. The buoy returns to its highest point every 15 seconds. Amplitude: 6 feet Period: ??? ...
*Wednesday, March 21, 2012 at 12:52am by Help *

**physics**

A buoy oscillates in simple harmonic motion according to the motion of waves at sea. An observer notes that the buoy moves a total of 6 feet from its lowest point to its highest point. The buoy returns to its highest point every 15 seconds. Amplitude: 6 feet Period: ??? ...
*Wednesday, March 21, 2012 at 12:53am by Help *

**Physics (Really need help with this)**

An astronaut lands on an alien planet. He places a pendulum (L = 0.200 m) on the surface and sets it in simple harmonic motion. a. What is the period and frequency of the pendulum’s motion? b. How many seconds out of phase with the displacements shown would graphs of the ...
*Monday, December 12, 2011 at 7:19pm by Mishaka*

**physics**

a spring stretches by 3.90 cm when a 10gm mass is hung from it. if a 25 gm mass attached to this spring oscillates in simple harmonic motion, calculate the period of the oscillation
*Tuesday, May 3, 2011 at 10:11pm by diann*

**physics**

A 2.9 kg object oscillates with simple harmonic motion on a spring of force constant 430.0 N/m. The maximum speed is 0.8 m/s. What is the total energy of the object and the spring?
*Wednesday, October 12, 2011 at 8:33pm by Jay*

**physics**

1) A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harmonic motion with an amplitude of 10 cm. What is the speed of the 1.0 kg mass at the equilibrium position?
*Wednesday, April 6, 2011 at 2:37pm by arun*

**physics**

1) A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harmonic motion with an amplitude of 10 cm. What is the speed of the 1.0 kg mass at the equilibrium position?
*Wednesday, April 6, 2011 at 2:38pm by arun*

**physics**

1) A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harmonic motion with an amplitude of 10 cm. What is the speed of the 1.0 kg mass at the equilibrium position?
*Wednesday, April 6, 2011 at 8:36pm by arun*

**College Physics**

A mass of 0.4 kg, hanging from a spring with a spring constant of 80 N/m, is set into an up-and-down simple harmonic motion. What is the velocity of the mass when at its maximum displacement of 0.1 m?
*Sunday, October 24, 2010 at 10:31pm by charlie*

**trig**

The function d=-8cos2t describes a simple harmonic motion, where d is the distance(in meters) an object travel in t seconds. What is the frequency?
*Tuesday, April 13, 2010 at 3:42pm by rachel*

**physics**

A tray is moved horizontally back and forth in simple harmonic motion at a frequency of f = 1.68 Hz. On this tray is an empty cup. Obtain the coefficient of static friction between the tray and the cup, given that the cup begins slipping when the amplitude of the motion is 2....
*Monday, November 12, 2012 at 12:27am by stressedstudent*

**physics.....help me please....**

1) A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harmonic motion with an amplitude of 10 cm. What is the speed of the 1.0 kg mass at the equilibrium position?
*Friday, April 8, 2011 at 8:29am by arun*

**physics**

A 10 g particle undergoes Simple Harmonic Motion with an amplitude of 2.0 mm, a maximum acceleration of magnitude 8.0 X 10^3 m/s^2, and an unknown phase constant, theta. What are a.) the period of the motion, b.) the maximum speed of the particle, and c.) the total mechanical ...
*Tuesday, November 30, 2010 at 3:17pm by Scott*

**Physics**

When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4Hz. Find the ratio m2/m1 of the masses.
*Sunday, November 13, 2011 at 9:39pm by Leanne*

**Physics**

When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4Hz. Find the ratio m2/m1 of the masses.
*Sunday, November 13, 2011 at 9:39pm by Leanne*

**physics**

A 0.20 kg object, attached to a spring with spring constant k = 10 N/m, is moving on a horizontal frictionless surface in simple harmonic motion of amplitude of 0.080 m. What is its speed at the instant when its displacement is 0.040 m? (Hint: Use conservation of energy.)
*Sunday, July 31, 2011 at 1:06pm by Anonymous*

**physics**

A body oscillates with simple harmonic motion along the x-axis. Its displacement varies with time according to the equation x=5 sin (PIE + PIE/3). The velocity (in m/s) of the body at t=1 second is:
*Friday, August 3, 2012 at 11:21am by veena*

**physics..... please....urgent....**

A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harmonic motion with an amplitude of 10 cm. What is the speed of the 1.0 kg mass at the equilibrium position?
*Friday, April 8, 2011 at 1:57pm by jewels*

**physics**

) A 4.8 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. At time t = 0 s, the block has a displacement of -0.90 m a velocity of -0.80 m/s and an acceleration of +2.9 m/s^2. The force constant of the spring is closest to:
*Tuesday, December 3, 2013 at 4:46pm by Anonymous*

**physics**

Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 186 N/m. The motion of the object on spring 1 has 3 times the amplitude as the motion of the object on spring 2. The magnitude of ...
*Friday, March 30, 2012 at 1:55pm by Brian*

**physics**

a mass of 0.2kg is attached to a spring of negligible mass. if the mass executes simple harmonic motion with a period of 0.5s, what will be the spring constant?
*Saturday, March 2, 2013 at 11:44am by naynay*

**physic**

In Concept Simulation 10.2 you can explore the concepts that are important in this problem. Astronauts on a distant planet set up a simple pendulum of length 1.2 m. The pendulum executes simple harmonic motion and makes 100 complete oscillations in 330 s. What is the magnitude...
*Monday, January 20, 2014 at 7:44pm by nada*

**Physics**

A 0.46 kg mass oscillates in simple harmonic motion on a spring that has a spring constant of 2080 N/m. The spring was initially compressed 9.4 cm (a negative displacement) at t = 0 s. What's the velocity in m/s of the mass at t = 0.24 s?
*Tuesday, January 8, 2013 at 12:34pm by Crash*

**physics**

When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, it oscillates at a frequency of 14.2 Hz. When another object of mass m2 is hung on the spring along with the first object, the frequency of the motion is 3.40 Hz. Find the ...
*Tuesday, November 13, 2012 at 7:07pm by Michelle*

**physics**

A particle executes simple harmonic motion with an amplitude of 10 cm and time period 6 s. At t=0 it is at position x=5 cm going towards positive x direction . Write the equation for the displacement x at time t. Find the magnitude of the acceleration of the particle at t=4s.
*Thursday, November 18, 2010 at 10:39am by Pronab*

**Physics**

A diving board oscillates with simple harmonic motion of frequency 4.6 cycles per second. What is the maximum amplitude with which the end of the board can oscillate in order that a pebble placed there does not lose contact with the board during the oscillation?
*Tuesday, May 1, 2012 at 8:48pm by Angelina*

**Physics**

A spring, (spring constant of 400 N/m) is displaced .75 m from its equilibrium position. An 8-kg mass is connected to the spring and it is allowed to oscillate horizontally with Simple Harmonic Motion. What is the Kinetic Energy of the mass?
*Sunday, February 17, 2013 at 1:03pm by Anonymous*

**Physics**

A 10kg particle undergoes simple harmonic motion with an amplitude of 2.0mm, a maximum acceleration of 8.0x10^3 m/s^2, and an unknown phase constant (phi) What are: a.) the period of the motion b.) the maximum speed of the particle c.) total mechanical energy of the oscillator...
*Tuesday, November 30, 2010 at 10:07pm by Greg*

**College Physics**

An object is suspended from a spring and vibrates with simple harmonic motion. At an instant when the displacement of the object is equal to one-half the amplitude, what fraction of the total energy of the system is kinetic and what fraction is potential?
*Friday, October 26, 2007 at 3:59pm by Jen*

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