Friday

April 18, 2014

April 18, 2014

Number of results: 14,157

**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 ?
*Thursday, November 18, 2010 at 10:39am by Pronab*

**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*

**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: 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 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 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? I got: v2 +ω^2x^2 =ω^2A^2 vmax =ω A and v = ωA/2?
*Monday, January 4, 2010 at 11:41pm by Zoe*

**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**

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**

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*

**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 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 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 (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**

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**

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*

**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 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*

**chem**

How to determine maximum amplitude of oscillation of a system, using the question below? A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f=1.50Hz. Block B rest on it and the coefficient of the static ...
*Thursday, March 31, 2011 at 9:11am by memey*

**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*

**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!!!*

**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(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**

A mass attached to a spring executes simple harmonic motion in a horizontal plane with an amplitude of 1.07 m. At a point 0.4815 m away from the equilibrium, the mass has speed 3.87 m/s. What is the period of oscillation of the mass? Consider equations for x(t) and v(t) and ...
*Monday, April 19, 2010 at 7:25pm by eric*

**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*

**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*

**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 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*

**Calculus**

If the equation of motion of a particle is given by s = A cos(ωt + δ), the particle is said to undergo simple harmonic motion. (a) Find the velocity of the particle at time t. s'(t) = - A ω sin(ωt + δ) I figured out how to do part a, but I don't know ...
*Tuesday, November 8, 2011 at 11:55pm by nyk*

**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**

A object-spring system undergoes simple harmonic motion with an amplitude of A. Does the total energy change if the mass is doubled but the amplitude is not changed? Do the kinetic and potential energies depend on the mass? Explain. Thanks in advance
*Sunday, October 21, 2012 at 5:46pm by roro*

**physics**

I will gladly check your answers after you have domn some thinking about the proplem. They practically tell you what the amplitude is. Maximum speeds in simple harmonic motion are w*Amplitude, and Maximum acclerations are w^2*Amplitude. w is the angular frequency in radians ...
*Monday, December 8, 2008 at 9:08pm by drwls*

**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*

**Cal**

If the equation of motion of a particle is given by s = A cos(ωt + δ), the particle is said to undergo simple harmonic motion. s'(t) = -Aω sin(ωt + δ) When is the velocity 0? (Use n as the arbitrary integer.) t= _____________ I thought it was 0, but it...
*Tuesday, November 29, 2011 at 7:57pm by Nykie*

**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**

You are right about L = 0.53. Don't forget the units (meters) In simple harmonic motion, max velocity = w*(Amplitude) and max acceleration = w^2*(Ampitude) In your case I had to add an L factor to get linear velocities from the angular amplitude.
*Tuesday, December 14, 2010 at 11:04pm by drwls*

**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*

**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*

**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 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**

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 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 *

**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*

**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 particle with a mass of 3.00 10-20 kg is oscillating with simple harmonic motion with a period of 7.00 10-5 s and a maximum speed of 4.50 103 m/s. (a) Calculate the angular frequency of the particle. rad/s (b) Calculate the maximum displacement of the particle. m
*Monday, November 19, 2012 at 4:24pm by Pipsy*

**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**

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**

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*

**AP Physics B**

i figured out the amplitude and the period, i just dont kno how to get to the other 4 with using simple harmonic motion equations
*Wednesday, December 16, 2009 at 4:57pm by Charlie*

**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*

**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*

**maths urgent please**

Hi, a particle is moving in simple harmonic motion such that a = -4x. ( x in metres, t in seconds) Find the maximum speed at which the particle is travelling. Velocity = 6cos2t. My teacher said to put t = 0 and sub it into velocity equation above, but I don't know why? Thanks!
*Wednesday, July 18, 2012 at 2:49am by Michelle*

**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**

Now get your text out and read the chapter on harmonic motion carefully or Google "simple harmonic motion" right now.
*Saturday, November 17, 2012 at 4:25pm by Damon*

**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*

**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**

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 concept**

1.How many vibrations per second are represented in a radio wave of 101.7 MHz 2.The speed of a wave on a string depends on: a.the material properties of the string b. the amplitude of the wave c.both 3.The time interval for one repetition of the cycle in simple harmonic motion...
*Sunday, April 6, 2008 at 9:18pm by Chris Adison*

**Chemistry**

A mass of 0.2 kg is attached to a spring of negligible mass. I the mass executes simple harmonic motion with a period of 0.5 s, what will be the spring constant/ Can I use the following formula to solve this problem k = (4pi square x mass) / T square
*Sunday, October 24, 2010 at 5:21pm by Jay*

**physiscs**

mass of 0.2 kg is attached to a spring of negligible mass. I the mass executes simple harmonic motion with a period of 0.5 s, what will be the spring constant/ Can I use the following formula to solve this problem k = (4pi square x mass) / T square
*Sunday, October 24, 2010 at 5:28pm by Jay*

**Physics**

The amplitude and period are constants for simple harmonic motion. The deflection, y, changes with time and has minimum of -A and maximum of +A if sin function is used with no phase angle as I did it, y is 0 at start, +A at t = T/4, 0 at t=T/2, -A at t = 3 T/4 then finally ...
*Saturday, November 17, 2012 at 4:25pm by Damon*

**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**

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 large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 1.7 Hz. Block B rests on it, as shown in the figure, and the coefficient of static friction between the two is ìs=0.64. (b) What is the maximum force of ...
*Monday, November 26, 2012 at 6:37pm by Anonymous*

**physics**

A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 1.7 Hz. Block B rests on it, as shown in the figure, and the coefficient of static friction between the two is ìs=0.64. (b) What is the maximum force of ...
*Wednesday, November 28, 2012 at 11:42pm by Anonymous*

**science**

A small mass attached to a spring oscillates with simple harmonic motion with amplitude of 70 mm, taking 13 seconds to make 40 complete oscillation. Calculate its angular frequency?
*Tuesday, April 3, 2012 at 7:29am by moemedi*

**simple harmonic motion.**

(a) There is a standard formula for the frequency of spring/mass SHM. f = [1/(2 pi)]*sqrt(k/M) Use it. (b) Ditto the P.E. of a stretched spring, (1/2) k X^2. (c) (1/2) M Vo^2 (d) Amplitude X is whatever the P.E. is when K.E. = 0. That will happen when P.E. = total energy (b...
*Friday, February 4, 2011 at 9:21pm by drwls*

**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*

**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**

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*

**Physics**

Here some facts about simple harmonic motion to help you answer these yourself. (a) The angular frequency is w = 2 pi f radians per second. Tha maximum velocity is w A, where a is the amplitude. The spring constant k is related to w and M by w = sqrt(k/m) Compute w. You will ...
*Friday, May 28, 2010 at 10:11pm by drwls*

**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 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*

**College Physics**

Answer the following questions for a mass that is hanging on a spring and oscillating up and down with simple harmonic motion. Note: the oscillation is small enough that the spring stays stretched beyond its rest length the entire time. Options for each question are (Top, ...
*Sunday, February 19, 2012 at 3:42pm by Jerry*

**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**

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 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*

**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*

**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*

**science**

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 1:45pm by Anonymous*

**physics**

Two particles A and B are in uniform circular motion about a common center. The acceleration of particle A is 4.7 times that of particle B. Particle B takes 2.4 times as long for a rotation as particle A. Th ratio of the radius of the motion of particle A is that of particle B...
*Friday, September 23, 2011 at 12:14pm by Audrey Petricevich*

**physics**

It undergoes simple harmonic motion with an equation for angular displacement, a(t), that can be written a(t) = A sin (2*pi*t/P) where A is the amplitude and p is the period. I chose time zero such that the phase angle is zero at that time, to simplify the equation. (a) w = A...
*Sunday, January 9, 2011 at 4:50pm by drwls*

**simple harmonic motion.**

A 5.80 kg object on a horizontal frictionless surface is attached to a spring with spring constant 860 N/m. The object is displaced from equilibrium 50.0 cm horizontally and given an initial velocity of 9.9 m/s back toward the equilibrium position. (a) What is the frequency of...
*Friday, February 4, 2011 at 9:21pm by rock*

**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**

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*

**Physics**

A block is executing simple harmonic motion on a frictionless surface with an amplitude of .100m. At a point 0.060m away from equilibrium point the speed of the block is 0.320m/s. What is the period? What is the displacement when the speed is 0.20m/s?
*Wednesday, June 29, 2011 at 4:53pm by Jocelyn *

**physics**

The amplitude of a system moving in simple harmonic motion is doubled. Determine by what factor does period change since T=2pi(m/k)^(1/2), so it doesnt change. When i typed in unchanged, it says wrong since "the correct answer is not zero". Should i put in "1" then?
*Sunday, October 3, 2010 at 2:04am by flame*

**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..... 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*

**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*

**trig**

Write an equation for simple harmonic motion, given that the amplitude equals 4 inches and the period equals 2 seconds and the max displacement occurs when t=0. answers: y=4sin pi t, y=4cos pi t, y=4cos t, y=4sin2 pi t
*Thursday, May 17, 2012 at 6:24pm by Kayla*

**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**

You need to know more than math to answer this question. It is about simple harmonic motion. The amplitude of oscillation is 0.4 m and the period is 1.2 s. The vertical height at time t is given by y = 0.5 - 0.4 cos(2 pi t/1.2) = 0.5 -0.4 cos(5*pi*t/3) To answer your question...
*Wednesday, July 27, 2011 at 2:33am by drwls*

**Rcm sr sec school**

A block is on a horizontal slab which is moving horizontally with a simple harmonic motion of frequency two oscillations per second . The cofficient of static friction between the block and the slab is 0.50. How great the amplitude can be if the block does not slip along the ...
*Tuesday, January 29, 2013 at 7:55pm by Pawan*

**Physics**

Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is 1/8 of its amplitude. (The answer is an integer.) Approach: Choose a specific trigonometric form for the position function x(t). It doesn't matter which ...
*Thursday, November 15, 2012 at 2:00am by Alphonse*

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