Thursday

July 24, 2014

July 24, 2014

Number of results: 54,826

**physics**

The figure below shows two examples of SHM, labeled A and B. (The vertical axis is marked in increments of 0.2 m and the horizontal axis is marked in increments of 0.5 s.) What are the following quantities for each SHM? A B (a) the amplitude 1 m 2 m (b) the frequency 3 Hz 4 Hz...
*April 25, 2011 by md8*

**Physics SHM**

Am self studying SHM, so sorry for the elementary questions. Would someone check/confirm some facts i think I've learned please. 1 If a sine wave graph starts at the origin at time = 0s, the sysyem is in equilibrium? 2 The amplitude at t= 0s is zero. 3 Same system, the phase ...
*November 5, 2008 by charlie*

**physics**

Two identical planets, each of mass M, have their centers a distance D apart. Halfway between them, at gravitational equilibrium, lies a satellite of mass m. The satellite is then displaced a small distance and released, after which it undergoes SHM. a) In what direction must ...
*March 12, 2012 by sand*

**physics SHM**

A particle is moving with SHM of period 16s and amplitude 10m. Find the speed of teh particle when it is 6.0m from its equilibrium position. First I found the value of w: w= 2 pi/ T = 2 pie/ 16 =0.393 s^-1 Then I used: v= +/- w root a^2 - x^2 = +/- 0.393 root 10^2 - 6^2 = 3.14...
*December 28, 2007 by Claire*

**PHYSICS--SHM**

PLZ HELP. THANKS. The balance wheel of a watch oscillates with an angular amplitude of rad and a period of 0.220 s. a) Find the maximum angular speed of the wheel. (b) Find the angular speed of the wheel when its displacement is /4 rad. (c) Find the magnitude of the angular ...
*January 27, 2007 by wooh*

**physics**

A 0.355-kg object undergoing SHM has ax = 2.30 m/s2 when x = 0.235 m. What is the time for one oscillation?
*November 16, 2013 by Laura*

**Physics**

The maximum kinetic energy of a mass-spring system in SHM is equal to
*April 29, 2014 by Spaceman*

**Physics - Mechanics**

A body is supported by a spiral spring and causes a stretch of 1.5cm in the spring. If the mass is now set in vertical oscillation of small amplitude, what is the periodic time of oscillation Doesn't angular frequency= sqrt (k/m) ? where k= mg/.0015 or 2PI/T= sqrt (g/.0015) ...
*April 12, 2007 by Febby-1*

**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?
*April 5, 2011 by John*

**Physics**

If it takes a particle in SHM 0.20 s to travel from the equilibrium position to the maximum displacement (amplitude), what is the period of oscillation?
*May 7, 2011 by Amy*

**Physics**

If it takes a particle in SHM 0.60ss to travel from the equilibrium position to the maximum displacement (amplitude), what is the period of oscillation?
*April 29, 2014 by Spaceman*

**Physics**

A block on a spring moves in SHM with amplitude 0.23 m and period 3.8 s. The mass of the block is 2.1 kg. What is the total energy of the system?
*June 24, 2012 by Jamie*

**physics**

A particle executes SHM with time period T and ampitude A.Find the maximum possible average velocity in time T/4
*December 20, 2011 by Jishan*

**Physics**

A 1.10 N bird descends onto a branch that bends and goes into SHM with a period of 0.60 s. Determine the effective elastic force constant of the branch.
*April 25, 2013 by DL*

**Physics SHM**

Whether or not it'll help me, am i safe to deduce that: If a simple pendulum is released from rest at time t=0; from a displacement of x rad from equilibrium; Then the amplitude of the oscilation is also x rad? Thanks
*November 3, 2008 by charlie*

**Physics! please help me!**

A 0.98 N bird descends onto a branch that bends and goes into SHM with a period of 0.46 s. Determine the effective elastic force constant of the branch.
*April 24, 2013 by Chelsea*

**Physics - SHM**

An oscillating block-spring system has a mechanical energy of 1.00 J, an amplitude of 11.2 cm, and a maximum speed of 1.08 m/s. (a) Find the spring constant. ___ N/m (b) Find the mass of the block. ___ kg (c) Find the frequency of oscillation. ___ Hz .. im having difficulty ...
*April 12, 2007 by COFFEE*

**physics help!**

The equation of motion of a particle in vertical SHM is given by y = (17 cm) sin 0.70t. (a) What is the particle's displacement at t = 1.1 s? (b) What is the particle's velocity at t = 1.1 s?(c) What is the particle's acceleration at t = 1.1 s?
*April 13, 2011 by anonymous*

**physics**

The equation of motion of a particle in vertical SHM is given by y = (10 cm) sin 0.80t. (a) What is the particle's displacement at t = 1.1 s? (b) What is the particle's velocity at t = 1.1 s? (c) What is the particle's acceleration at t = 1.1 s?
*April 28, 2012 by Darla*

**Physics**

A block on a spring moves in SHM with amplitude 0.23 m and period 3.8 s. The mass of the block is 2.1 kg. What is the total energy of the system? Can someone please take me step by step and show me what my answer should be? Thanks!
*June 24, 2012 by Kate*

**physics**

A 0.025 kg object vibrates in SHM at the end of a spring. If the maximum displacement of the object is 0.030 cm, and its period is 0.50s, what is the maximum acceleration of the object?
*November 24, 2010 by jane*

**physics (simple harmonic motion)**

If the phase angle for a block-spring system in SHM is π/5 rad and the block's position is given x = xm cos(ωt + ϕ), what is the ratio of the kinetic energy to the potential energy at time t = 0?
*February 4, 2011 by rock*

**Physics**

The displacement of an object in SHM is given by y(t) = (7.1 cm)sin[(1.64 rad/s)t]. What is the frequency of the oscillations in Hz? I'm completely stuck here. I was thinking that frequency = 1/t. I'm stuck with the information given. Please help!
*March 22, 2010 by Angie*

**Physics**

The equation of motion for an oscillator in vertical SHM is given by y=(0.60m)sin[(130rad/s)t]. Part A What is the amplitude of this motion? Part B What is the frequency of this motion? Part C What is the period of this motion?
*December 10, 2013 by Becca*

**Physics**

The 3.80 kg cube in Fig. 15-45 has edge lengths d = 5.50 cm and is mounted on an axle through its center. A spring (k = 1300 N/m) connects the cube's upper corner to a rigid wall. Initially the spring is at its rest length. If the cube is rotated 2.00° and released, what is ...
*March 16, 2012 by Anna*

**Physics**

The 3.80 kg cube in Fig. 15-45 has edge lengths d = 5.50 cm and is mounted on an axle through its center. A spring (k = 1300 N/m) connects the cube's upper corner to a rigid wall. Initially the spring is at its rest length. If the cube is rotated 2.00° and released, what is ...
*March 16, 2012 by Anna*

**Physic**

If it takes a particle in SHM 0.20 s to travel from the equilibrium position to the maximum displacement (amplitude), what is the period of oscillation?
*May 7, 2011 by Amy*

**physics**

A swing is drawn to the side 3m from its equilibrium position and released. The swing is 2m on the other side of the equilibrium position 1.64s later. Find the angular frequency of the SHM.
*May 29, 2014 by zb*

**Physics**

The length of a simple pendulum is 0.72 m, the pendulum bob has a mass of 305 grams, and it is released at an angle of 10° to the vertical. a) With what frequency does it vibrate? Assume SHM. (b) What is the pendulum bob's speed when it passes through the lowest point of the ...
*April 17, 2010 by Luricela*

**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?
*April 5, 2011 by John*

**Physics**

Consider two objects, A and B, both undergoing SHM, but with different frequencies, as described by the equations xsuba= 2.0msin(2.0t) and xsubB = 5.0msin(3.0t), where t is in seconds. After t = 0, find the next three times t at which both objects simultaneously pass through ...
*January 14, 2012 by Viviana*

**Physics Velocity Question**

The equation for the displacement in meters of an object moving in SHM is x(t) = 1.50 cos (4.20t) where t is in seconds. (a) What is the maximum speed of the object? (b) At what time does it first reach the maximum speed? I already got 6.3m/s for A and I got B wrong. I thought...
*June 15, 2012 by Jennifer*

**physic -shm**

a bob of pendulum is filled with water and small hole is made on the tip,and it is moved .how will the time period change?
*March 20, 2013 by adam *

**Physics**

A ball is attached by two springs as shown in the left figure( |wwOww| ).If the mass is displaced a distance âŠ¿x below the equilibrium position h. Determine whether vertical SHM is possible for the system shown. If so, find the natural frequency. [assume that the vertical ...
*December 4, 2010 by Marco Tsang*

**Physics**

For a child's swing in lightly damped SHM, I am given the time period and a value for g; (as well as the mass.) with just these, can i rearrange the equation: T (4s)= 2pi times sqrt l/g to calculate the length of the swing? I believe i have (3.98m), but the question says to ...
*December 16, 2008 by charlie*

**Physics**

For a child's swing in lightly damped SHM, I am given the time period and a value for g; (as well as the mass.) with just these, can i rearrange the equation: T (4s)= 2pi times sqrt l/g to calculate the length of the swing? I believe i have (3.98m), but the question says to ...
*December 16, 2008 by charlie*

**Physics**

The ultrasonic transducer used in medical ultrasound imaging device is a very thin disk m = .10g driven back and forth in SHM at 1.0 MHz by an electromagnetic coil. a.) The maximum restoring force is 40,000 N. What is the maximum oscillation amplitude that won't rupture disk? ...
*July 7, 2010 by Kara*

**Physics**

A toy of mass 0.151 kg is undergoing SHM on the end of a horizontal spring with force constant k = 301 N/m . When the object is a distance 1.23×10^−2 m from its equilibrium position, it is observed to have a speed of 0.297 m/s. A-What is the total energy of the object at...
*January 2, 2007 by Hadi*

**Physics-I would like to ask once more!**

A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance â–³x BELOW the equilibrium position h (see figure A). Determine whether vertical SHM is possible for the system shown.If so, find the natural frequency. (Figure A,it shows where d, h, â–³x...
*December 4, 2010 by Marco Tsang*

**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*

**physics**

The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.24 mm. If the frequency of the tuning fork is 440.7 Hz, what are the maximum velocity and the maximum acceleration of the prong? ...
*March 31, 2010 by jess*

**physics (shm)**

Suppose that a simple pendulum consists of a small 55.0 g bob at the end of a cord of negligible mass. Suppose that the angle between the cord and the vertical is given by θ = (0.0800 rad) cos[(4.91 rad/s)t + ϕ]. (a) What is the pendulum's length? units in m (b) What...
*February 4, 2011 by rock*

**physics**

A vibrator attached and resting on the surface of water generates plane water waves and its propagation is found to take 50 seconds to reach a floating cork 65 cm away. If the cork subsequently vibrates with SHM of a period 3.8 seconds, determine the wavelength of the water ...
*March 23, 2010 by Edwin*

**Physics**

An object in SHM oscillates with a period of 4.0 s and an amplitude of 10 cm. How long does the object take to move from x=0cm to x=6cm. Okay, so first I used f=1/T to find the frequency =0.25Hz. Then, I used frequency to find omega w=2*pi*f =1.57 rad The next part I'm not ...
*January 11, 2011 by Jon*

**physics**

A 4.7 g bullet is fired horizontally into a 0.50 kg block of wood resting on a frictionless table. The block, which is attached to a horizontal spring, retains the bullet and moves forward, compressing the spring. The block-spring system goes into SHM with a frequency of 8.0 ...
*June 28, 2012 by Tom*

**physics **

Q.1.Find the total mechanical energy in one time period? my sir says that it is (1/2)mw^2A^2 but according to me it should be 1/4mw^2A^2.How? Q.2.The total mechnical energy of a spring mass system in SHM is E = (1/2)mw^2A^2.Suppose the oscillating particle is replaced by ...
*December 25, 2009 by anonymous*

**physics - SHM**

Calculate the speed of the pulse from the following: y(x,t) = 2/((x - 3t)^2 + 1) Well the speed of the pulse is given by: y(x,t) = f (x - vt) for a pulse traveling to the right and y(x,t) = f (x + vt) for a pulse traveling to the left but in this case the function is (x - 3t)^...
*April 14, 2007 by COFFEE*

**College physics-oscillations**

A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance â–³x BELOW the equilibrium position h (see figure A). Determine whether vertical SHM is possible for the system shown.If so, find the natural frequency. [Assume that the vertical extension...
*December 4, 2010 by Marco*

**physics**

Part (a) of the figure below is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.00 rad/s; Part (b) of the figure is a partial graph of the corresponding velocity function v(t). The vertical axis scales are set by xs...
*February 4, 2011 by rock*

**College physics-oscillations**

A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance â–³x BELOW the equilibrium position h (see figure A). Determine whether vertical SHM is possible for the system shown.If so, find the natural frequency. [Assume that the vertical extension...
*December 4, 2010 by Marco*

**Physics**

The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.28 mm. If the frequency of the tuning fork is 440.6 Hz, what are the maximum velocity and the maximum acceleration of the prong? ...
*March 30, 2012 by Riya*

**Physics**

Figure a is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.75 rad/s; figure b is a partial graph of the corresponding velocity function v(t). The vertical axis scales are set by xs = 2.50 cm and vs = 2.50 cm/s. ...
*March 16, 2012 by Anna*

**college**

Figure 11-50 shows two examples of SHM, labeled A and B. (The vertical axis is marked in increments of 0.5 m and the horizontal axis is marked in increments of 1 s.)
*December 6, 2010 by Anonymous*

**physics - SHM**

Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a string with a speed of 11 cm/s. If the time interval between instants when the string is flat is 0.33 s, what is the wavelength of the waves? wavelength = (wave speed) / (...
*April 14, 2007 by COFFEE*

**college physic SHM**

A 1.25kg mass stretches a vertical spring 0.215m.If the spring is stretches an additional 0.130m and released, (a)how long does it take to reach the equilibrium position again? (b)Write an equation giving its position y as a function of time t. (c)What will be its maximum ...
*July 26, 2011 by noah*

**Physics Phase Constant**

Figure A [[which i tried to recreate below]] is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.1 rad/s. [a] ............x(cm).............. .................5...
*April 4, 2007 by COFFEE*

**PHYSICS--SHM**

A pendulum consists of a uniform disk with radius r = 10 cm and mass 545 g attached to a uniform rod with length L = 500 mm and mass 300 g. (figure: one end of the rod attach to a pivot and the other end attach to the center of the disk) (a) Calculate the rotational inertia of...
*January 27, 2007 by wooh*

**Physics **

A thrill-seeking cat with mass 4.00 kg is attached by a harness to an ideal spring of negligible mass and oscillates vertically in SHM. The amplitude is 0.050 m, and at the highest point of the motion the spring has its natural unstretched length. Calculate the elastic ...
*November 19, 2012 by Alex*

**Physics Phase Constant**

..im really stuck on this. can someone please explain? ------- Figure A [[which i tried to recreate below]] is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.1 rad/s. [a].....x(cm)....... ........5...
*April 4, 2007 by COFFEE*

**MOMENTUM AND SHM**

A(n) 3800 kg rocket traveling at 2500 m/s is moving freely through space on a journey to the moon. The ground controllers ﬁnd that the rocket has drifted oﬀ course and that it must change direction by 9.2 degrees if it is to hit the moon. By radio control the ...
*December 10, 2010 by Jaylee*

**Physics SHM**

An automobile can be considered to be mounted on four identical springs as far as vertical oscillations are concerned. The springs of a certain car are adjusted so that the oscillations have a frequency of 4 Hz. (a) What is the spring constant of each spring if the mass of the...
*April 4, 2007 by COFFEE*

**Physics..=> drwls - I need your help**

I need help seeing if my thoughts are correct and how to do some things. Block 1 of mass 0.200 kg is sliding to the right over a frictionless elevated surface at a speed of 8.00 m / s. The block undergoes an elastic collision with stationary block 2, which is attached to a ...
*February 26, 2008 by ~christina~*

**physics**

what is physics?i know that its subject but what is defination of physics? The study of matter, energy, space, and time, and the interactions thereof.
*July 7, 2007 by komal*

**physics/medical physics**

please assist me to get project topic under biophysics or application of physics in medecine
*August 12, 2009 by mataos*

**11th grade physics**

my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck
*October 5, 2008 by JESSICA!!!!!!!!!!!!!!!!!*

**Physics**

Could someone help me to say this better? I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear physics, which considers atomic nuclei alone
*November 10, 2007 by Amanda*

**Physics;Help!!!!!!**

There is apparently no one online who can help with physics questions right now. Please check back later to see if a physics teacher has addressed your question. Multiple posts won't get faster answers. Thanks. =) The question is in the first question marked physics beside ...
*June 7, 2007 by Writeacher*

**physics**

thanks for the help earlier just got a question I'm taking AP Physics B this year does that mean next year I would Take AP Physics C??? I don't know if the material in C convers the same material plus the additional calculus material or what??? Could I take AP Calculus while ...
*August 9, 2009 by physics*

**how come no one is helping on physics questions!!!**

every physics helpers are not getting any responses. can someone help on physics questions pleases???
*October 28, 2010 by Lyn*

**physics**

just wondering if anybody have any suggestions for a physics project (anything that deals with physics)??? thanks Research the Klien-Fogleman wing and its advantages over conventional wing shapes.
*November 27, 2006 by mitch*

**college physics**

This site is just a front for liveperson Most college physics questions are not answered for months if ever. Out of "200 experts" you must have somebody who knows physics right? Guess not.
*September 30, 2009 by john*

**Physics and movies**

we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971 version...I need help trying to prove that Violets becoming a blueberry is impossible and an error due to physics, ...
*December 8, 2007 by Please McHelp me!*

**URGENT Needs Physics Help**

Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories online that say they...
*December 16, 2007 by Desperate*

**Urgent Needs Physics Help**

Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories online that say they...
*December 16, 2007 by Desperate--REPOST*

**Physics Find mass and radius of planet.**

While visiting Planet Physics, you toss a rock straight up at 15 m/s and catch it 2.4 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 240 min. What is the mass of Planet Physics? What is the radius of Planet Physics?
*April 5, 2010 by Mike*

**Physics**

I posted this earlier and no one responded so I am going to try again. I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear phys
*November 13, 2007 by Amanda*

**physics **

A physics student drops a physics text book into a mine shaft 250m deep,where the average mine temperature is 5degrees celsius.Show that the sound of the book striking the bottom is heard after 7.82seconds
*April 21, 2012 by musuma*

**AP physics**

do you guys have an someone that good with advanced physics, because i have a few problems that i am not sure how to do and its for my AP physics class, and I wasnt sure if you had someone on board now that could help thanks
*January 27, 2008 by Kristen*

**Physics**

So... The task is to evaluate the design of three types of car tires, and explain how each type differs to maximize performance. Physics terminology is to be included in our report. -------- I just need a starting point. What types of tires do you recommend I research and what...
*February 16, 2008 by Lucy*

**Physics**

Ok so I am not so bad at physics but I find it hard to understand formular like how to use this one mu *m*g= I know its somewhat related to friction but what is teh mu stand for and g too IF someone could plzz translate these symbols to words I would really appreciat it Sorry ...
*October 17, 2010 by Pablo*

**Physics - The Branches of Physics**

Give at least one example of an application of each branch: Motion -cellphone Properties of Materials Sound -Radios Light -Candle Electricity -Calculator Magnetism -VCR's Properties of atoms -Computers Nuclear physics -? Could you check to see if Ive done this right? And I ...
*September 9, 2011 by Anonymous*

**physics**

i need a topic for an eei (extended experimental investigation). i want a simple experiment that i can do. however, i need one that has a lot of physics behind it, and has a lot of information on the net about it. it can be on any topic within physics. if anyone has any great ...
*May 19, 2007 by shamstar*

**physics**

1.Distinguish between atomic physics and nuclear physics? 2.Briefly describe the Bohr model of the atom. What is Bohr’s key idea (involving matter waves) that makes the Bohr atom have discrete energy levels? I really didnt understand what they were wanting, so many of ...
*November 6, 2007 by Will*

**Physics (Final Review)**

Ok so tomorrow is my Physics final and I have so much depending on this one test ( all my other grades are 80 and above but this one is a low 70). I have studied for the final but if anyone could supply me with a list of most know formulas for physics I would really appreciate...
*December 13, 2010 by Pablo*

**physics**

Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 6-kg book. If your mass is 54 kg and you throw the book at 14 m/s, how fast do you then slide across the ice? (Assume the absence of friction. Let the direction ...
*February 22, 2011 by Anonymous*

**Physics**

Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 9-kg book. If your mass is 45 kg and you throw the book at 10 m/s, how fast do you then slide across the ice? (Assume the absence of friction. Let the direction ...
*June 5, 2012 by James*

**physics**

a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm. what is the density of the physics book if it weighs 17N? the acceleration of gravity is 9.81m/s^2. answer in units of kg/m^3 i know density=mass/volume but it says to answer in units of kg/m^3... ...
*January 19, 2009 by Claudia*

**Physics**

I have some physics problems that I would like to get checked please?
*September 23, 2007 by Jesse*

**Physics**

is physics neccessary for becoming a pharmacist or no? i searched the web and it says yes. so is it true?
*January 14, 2009 by Aryan*

**physics**

do you know where I can get a formula sheet for physics our book does not include a break down of them
*September 15, 2011 by Anonymous*

**physics**

what are imp. long questions of 7th chapter of 9 e.m of physics of bise lahore.
*October 11, 2013 by Hamza024071*

**physics**

meaning of graw I have never heard that term in physics.
*August 19, 2007 by jasreet*

**physics**

Come up with 10 things (like bowling) that could use physics? What does this mean?
*April 7, 2013 by Shaniqua*

**Physics**

How do observations of the photoelectric effect conflict with the predictions of classical physics?
*May 21, 2014 by Brent*

**physics**

find the force of gravity between 74.0kg physics students that are sitting 85.0 cm apart
*November 3, 2011 by Anonymous*

**physics**

why weight of gold varies at 2 different places like panna and ladakh (physics)
*June 12, 2013 by rita*

**Physics help!**

I need to know all of the equations for WORK problems (Physics). I'm not sure where to find them. if someone could help id appreciate it.
*December 7, 2008 by Jim*

**Physics**

Hi again, Can anyone help me with the physics problem I posted earlier today (Sunday) at 3:47 p.m. I would really appreciate it!!Thanks!
*March 23, 2009 by Brigid*

**Physics**

____ N of work are done on your physics text when you carry it horizontally across a 15 meter wide room.
*March 2, 2011 by Amber*

**physics**

What are ways your driving can be improved by applying the physics of motion?
*August 12, 2010 by Anonymous*

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