Monday

July 28, 2014

July 28, 2014

Number of results: 8,861

**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 ?
*November 20, 2010 by Pronab*

**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.
*November 18, 2010 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?
*January 4, 2010 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...
*December 1, 2010 by Greg*

**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?
*January 4, 2010 by Zoe*

**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:
*December 6, 2012 by quaviz*

**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?
*November 11, 2008 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.
*February 17, 2011 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?
*February 16, 2012 by Abdela*

**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.
*November 20, 2010 by JACK*

**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...
*November 30, 2010 by Greg*

**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 ...
*September 8, 2010 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 ...
*November 30, 2010 by Scott*

**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 ...
*January 12, 2011 by julie*

**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...
*November 30, 2010 by Greg*

**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 ...
*November 11, 2012 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 ...
*March 31, 2011 by memey*

**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 ...
*February 26, 2011 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 ...
*August 6, 2010 by Claire*

**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?
*September 27, 2011 by Belinda*

**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...
*April 8, 2013 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 ...
*April 19, 2010 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 ...
*January 29, 2012 by Claire*

**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?
*November 26, 2012 by Anonymous*

**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
*November 12, 2013 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.
*November 16, 2013 by Corey*

**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...
*February 22, 2011 by Jake*

**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...
*January 20, 2014 by nada*

**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?
*December 1, 2009 by Sammy*

**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
*September 16, 2013 by Anonymous*

**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
*November 19, 2012 by Pipsy*

**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
*September 22, 2013 by Anonymous*

**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 ...
*November 8, 2011 by nyk*

**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
*October 21, 2012 by roro*

**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...
*December 24, 2009 by CHIKIRSHU*

**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.
*November 12, 2013 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.
*January 25, 2014 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 ...
*December 12, 2010 by David*

**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. ...
*August 27, 2013 by kent*

**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...
*November 29, 2011 by Nykie*

**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.
*October 21, 2010 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.
*October 21, 2010 by Nikki *

**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:
*December 3, 2013 by Anonymous*

**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?
*March 2, 2013 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.
*April 7, 2011 by Unknown*

**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?
*August 30, 2012 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.
*March 5, 2013 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.
*March 6, 2013 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 ...
*December 18, 2011 by Dia*

**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.
*November 27, 2013 by Dani*

**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!
*July 18, 2012 by Michelle*

**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?
*July 28, 2013 by Justin*

**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?
*April 3, 2012 by moemedi*

**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...
*November 19, 2011 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...
*November 12, 2013 by MATT*

**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...
*April 6, 2008 by Chris Adison*

**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 ...
*November 26, 2012 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 ...
*November 28, 2012 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....
*November 26, 2013 by Donna*

**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
*October 24, 2010 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
*October 24, 2010 by Jay*

**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.
*December 1, 2010 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*...
*December 1, 2010 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 ...
*February 2, 2009 by Sarah*

**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?
*April 1, 2014 by Eiban*

**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...
*March 7, 2012 by Nicole*

**Physics**

An object with mass 3.0 kg is executing simple harmonic motion, attached to a spring with spring constant k =210 N/m. When the object is 0.23 m from its equilibrium position, it is moving with a speed of 0.72 m/s. (a) Calculate the amplitude of the motion. m (b) Calculate the ...
*June 12, 2014 by Garrett*

**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 ...
*February 8, 2011 by Abi*

**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?
*April 6, 2011 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?
*April 6, 2011 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?
*April 6, 2011 by arun*

**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?
*April 8, 2011 by arun*

**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 ...
*March 15, 2007 by sam*

**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.)
*July 31, 2011 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.)
*July 31, 2011 by Anonymous*

**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?
*April 8, 2011 by jewels*

**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
*May 17, 2012 by Kayla*

**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: ??? ...
*March 21, 2012 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: ??? ...
*March 21, 2012 by Help *

**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, ...
*February 19, 2012 by Jerry*

**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?
*May 1, 2012 by Angelina*

**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...
*February 4, 2011 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....
*November 12, 2012 by stressedstudent*

**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?
*October 26, 2007 by Jen*

**physics**

The velocity of a simple harmonic oscillator is given by; v = + 6.92*sin(10.5*t) (mks units) What is its angular frequency? omega = What is the amplitude of the motion? A = Where is the mass at the time t = 86.08 seconds? x = If the mass is 0.53 kg, what is the spring's ...
*April 14, 2014 by joe*

**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?
*October 3, 2010 by flame*

**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?
*June 29, 2011 by Jocelyn *

**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 ...
*March 30, 2012 by Brian*

**Physics**

In an electric shaver, the blade moves back and forth over a distance of 2.2 mm in simple harmonic motion, with frequency 116 Hz. Find (a) the amplitude (in mm), (b) the maximum blade speed, and (c) the magnitude of the maximum blade acceleration. I got that (a) is 1.1 mm, but...
*December 5, 2011 by Lisa*

**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 ...
*April 1, 2014 by Eiban*

**Physics STUCK!**

A point on the A string of a guitar oscillates in approximately simple harmonic motion with a frequency of 113 Hz and an amplitude of 1.04 mm. Find the maximum speed and acceleration of this point. SOLVE FOR: vmax = amax Can you please provide me with the equation as well as ...
*January 24, 2013 by High School STUDENT*

**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...
*September 23, 2011 by Audrey Petricevich*

**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.
*October 28, 2007 by ly1018*

**physics**

A block of unknown mass is attached to a spring with a spring constant of 6.00 N/m and undergoes simple harmonic motion with an amplitude of 12.0 cm. When the block is halfway between its equilibrium position and the end point, its speed is measured to be 33.0 cm/s a)Calculate...
*April 27, 2009 by Jessi*

**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 ...
*January 29, 2013 by Pawan*

**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 ...
*November 30, 2012 by Elizabeth*

**physics**

In an electric shaver, the blade moves back and forth over a distance of 2.0 mm. The motion is simple harmonic, with frequency 118 Hz. (a) Find the amplitude. mm (b) Find the maximum blade speed. m/s (c) Find the magnitude of the maximum blade acceleration. m/s2
*December 8, 2008 by johnny*

**physics**

In an electric shaver, the blade moves back and forth over a distance of 2.0 mm. The motion is simple harmonic, with frequency 118 Hz. (a) Find the amplitude. mm (b) Find the maximum blade speed. m/s (c) Find the magnitude of the maximum blade acceleration. m/s2
*December 11, 2008 by johnny*

**physics**

1.Give examples of a one-dimensional motion where (a) the particle moving along positive x-direction comes to rest periodically and moves forward. (b) the particle moving along positive x-direction comes to rest periodically and moves backward. 2.Give example of a motion where...
*October 14, 2012 by help me out it's urgent*

**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 ...
*November 15, 2012 by Alphonse*

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