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October 24, 2014

Search: A 2.0 particle moving along the x-axis experiences the force shown in the figure . The particle\'s velocity is 4.7 at

Number of results: 45,899

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 HELP
1.If a particle moves in a plane so that its position is described by the functions x=A*cos(wT) and y=A*sin(wT), the particle is ( w-angular velocity, T-period) A) moving with constant speed along a circle B) moving with a varying speed along a circle Thanx! Note that x^2 + y^...
May 13, 2007 by Kelly

calculus
let f(t) = 2*pi*t + sin(2*pi*t) a) find value of t in open interval (0,2) for which the tangent line at (t, f(t)) is parallel to the line through (0,0( and (2, 4pi) b) suppose the given funtion describes the position of a particle on the x-axis for 0<= t <= 2. What is ...
November 1, 2011 by zoe

physics
The velocity v(t) of some particle is plotted as a function of time on the graph below. The scale on the horizontal axis is 1 s per division and on the vertical axis 9 m/s per division. Initially, the particle is at x0 = 52 m. What is the position x of the particle at time t...
October 15, 2013 by cram

science
the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin when t=0, determine the magnitude of the particle's acceleration when t=2s. What is the x,y,z coordinate position of the particle at this instant.
November 3, 2008 by sarah

physics
Two particles are fixed on an x axis. Particle 1 of charge 47.9 μC is located at x = -5.87 cm; particle 2 of charge Q is located at x = 32.3 cm. Particle 3 of charge magnitude 52.8 μC is released from rest on the y axis at y = 15.1 cm. What is the value of Q if the ...
December 13, 2012 by Anonymous

Physics
A particle moved along the x axis with a constant acceleration of -85.0 meters per second squared. The initial position of the particle was at the origin and its initial velocity was +325 meters per second. Find the position of the particle at T=4.0 seconds. Please walk ...
June 11, 2012 by Jen

physics
A particle leaves the origin with an initial velocity v=(2.40 m/s)x hat and moves with a constant acceleration a=(-1.90 m/s ^2)x hat+(3.20 m/s ^2)y hat. How far does the particle move in the x direction before turning around? Answer is 1.48 m. What is the particle's velocity ...
September 14, 2010 by Ka

physics
A particle with a charge 7C and a mass of 20kg is traveling in a circular path around a fixed particle of charde -5C. The velocity is observed to be 3000m/sec. A 9C particle with the same velocity is instead in the presence of a uniform electric field of 250N/C as shown. What ...
December 20, 2010 by dipset

physics
An alpha particle, the nucleus of a helium atom, is at rest at the origin of a Cartesian coordinate system. A proton is moving with a velocity of v towards the alpha particle from the positive x axis direction. If the proton is initially far enough away to have no potential ...
September 29, 2008 by alexis

phys urgent!
A particle leaves the origin with a speed of 2.4 times 10^6 m/s at 38 degrees to the positive x axis. It moves in a uniform electric field directed along positive y axis. Find Ey such that the particle will cross the x axis at x = 1.5 cm if the particle is an electron. I don't...
September 2, 2014 by kenzie

Physics
The three forces shown in the figure below act on a particle (with F1 = 50.0 N, F2 = 60.0 N, θ1 = 60.0, and θ2 = 30.0). If the particle is in translational equilibrium, find F3, the magnitude of force 3 and the angle θ3.
February 10, 2013 by Nerise

Math
A particle moves with a velocity of v(t)=3cos(2t) m/s along an axis. Find the distance traveled by the particle over the time interval 0 is less than or equal to "t", which is less than or equal to (pi/8)
July 31, 2014 by mike

help with physics please!
2.50 kg particle (the function U(x) has the form bx2 and the vertical axis scale is set by Us = 2.0 J).(a) If the particle passes through the equilibrium position with a velocity of 55.0 cm/s, will it be turned back before it reaches x = 18.0 cm?(b) If yes, at what position (...
June 18, 2009 by jane

physics
A particle is projected vertically upwards with velocity of u.after t seconds particle is projected from some point with same velocity.How long does it take for the second particle to meet the first particle?
April 22, 2013 by Anonymous

Electromagnetism
A particle with a mass of 6.64x10^-27 kg and a charge of +3.2x10^-19 C is accelerated from rest through a potential difference of 2.45x10^6 V. the particle then enters a uniform magnetic field of strength 1.60 T. a) Find the particle's gain in KE as it moves through the ...
April 18, 2013 by Anonymous

Calculus
Two particles move along the x -axis. For 0 is less than or equal to t is less than or equal to 6, the position of particle P at time t is given by p(t)=2cos((pi/4)t), while the position of particle R at time t is given by r(t)=t^3 -6t^2 +9t+3. 1. For 0 is less than or equal ...
December 19, 2012 by Madeline

Calculus
Two particles move along the x -axis. For 0 is less than or equal to t is less than or equal to 6, the position of particle P at time t is given by p(t)=2cos((pi/4)t), while the position of particle R at time t is given by r(t)=t^3 -6t^2 +9t+3. 1. For 0 is less than or equal ...
December 19, 2012 by Madeline

physics
Particle 1 with a momentum of 126.2 kgm/s along the x axis, strikes particle 2, which is initially motionless. After the collision, particle 1 has an x component of momentum, p1x = 82.0 kgm/s and a y component, p1y = 46.8 kgm/s. What are p2x and p2y, the x and y momentum ...
October 16, 2013 by Anonymous

physics
The position of a particle as it moves along the x axis is given by x = 15e{2t m, where t is in s. What is the acceleration of the particle at t = 1.0 s? 4.
September 8, 2014 by Anonymous

Calculus
An ant moves along the x-axis with velocity given by v(t)=tsin(t^2), t is greater than or equal to zero. Given that x(t) is the position of the particle at time t and that x(0)=3, find x(2) Find the total distance traveled by the particle from t=0 to t=2
February 26, 2011 by Hannah

physics
A particle leaves the origin with an initial velocity = (2.35 m/s) and moves with constant acceleration = (-1.90 m/s2) + (2.60 m/s2)>. (a) How far does the particle move in the x direction before turning around? m (b) What is the particle's velocity at this time? ( m/s...
October 14, 2011 by Kaylah

Physics
potential energy well for a 2.0 kg particle (the function U(x) has the form bx2 and the vertical axis scale is set by us = 2.0 J). (a) If the particle passes through the equilibrium position with a velocity of 85 cm/s, will it be turned back before it reaches x = 15 cm? (b) If...
February 1, 2013 by Akshay

physics
A 10 g particle has the potential energy shown in a graph with the y-axis label U(J) and the x axis is labeled in cm. There is a diagonal line from 4 J down to 1 cm and the line levels out on the x axis to 3 cm and rises again to a height of 2 J at 5 cm and levels out to 7 cm ...
December 2, 2009 by Ashley

univercity of baghdad
A particle travels along a straight line with a velocity v=(12-3t^2)m/s.where t is in the seconds. When t=1s.the particle is located 10m to the left of the origin. Determine the acceleration when t=4s.the displacement from t=0s to t=10s.and the distance the particle travels ...
May 16, 2014 by ahmed talal

Physics
A charged particle A exerts a force of 2.39 N to the right on charged particle B when the particles are 13.3 mm apart. Particle B moves straight away from A to make the distance between them 16.1 mm. What vector force does particle B then exert on A?
February 6, 2010 by Jan

math
A particle moves along the s-axis. Use the given information to find the position of the particle. v(t)=8t3 ; s(0) = 5.
December 19, 2010 by Elisa

Physics - please help!
Particles 1 and 2 of charge q1 = q2 = +3.20 x 10-19 C are on a y axis at distance d = 22.0 cm from the origin. Particle 3 of charge q3 = +9.60 x 10-19 C is moved gradually along the x axis from x = 0 to x = +5.0 m. At what value of x will the magnitude of the electrostatic ...
April 3, 2011 by Char

Phyiscs - Electro static
Particles 1 and 2 of charge q1 = q2 = +3.20 x 10-19 C are on a y axis at distance d = 22.0 cm from the origin. Particle 3 of charge q3 = +9.60 x 10-19 C is moved gradually along the x axis from x = 0 to x = +5.0 m. At what value of x will the magnitude of the electrostatic ...
April 2, 2011 by will

Calculus
Solve: The posistion of a particle moving along a coordinate line is s=sqrt(5+4t), with s in meters and t in seconds. Find the particle's velocity at t=1 sec. A) 2/3 m/sec B) 4/3 m/sec C) -1/3 m/sec D) 1/6 m/sec Thank you!
December 30, 2012 by Isha

Physics- Mechaincs
A particle has r(0)= (4m)j and v(0)= 92 m/s)i If tts acceleration is constant and given by a=-(2 m/s^2)(i+j), at what time t does the particle first cross the x axis? t=2 s, thanks Damon Also, at what time t is the partilce moving parallel to the y axis; that is the j direction?
September 17, 2010 by Genevieve

D.E
A particle moves on the x-axis with an acceleration, 246msta. Find the position and velocity of the particle at 3t, if the particle is at origin and has a velocity of 10ms when 0t by using either the method of ...
November 20, 2011 by Farah

Calc - Please help
A particle moves along the s-axis. Use the given information to find the position of the particle. v(t) = 8t3; s(0) = 5.
December 19, 2010 by Elisa

PHYSICS PLEASE HELP ME
A particle with an initial linear momentum of 3.44 kg m/s directed along the positive x-axis collides with a second particle, which has an initial linear momentum of 6.88 kg m/s, directed along the positive y-axis. The final momentum of the first particle is 5.16 kg m/s...
November 29, 2012 by Anthony

physics
Two particles with masses m and 3m are moving toward each other along the x axis with the same initial speeds Vi. Particle m is traveling to the left, and the particle 3m is traveling to the right. They undergo an elastic glancing collision such that particles m is moving in ...
May 20, 2012 by ace

Physics
A particle has ⃗r(0) = (4 m)j and ⃗v(0) = (2 m/s)i. If its acceleration is constant and given by ⃗a = −(2 m/s2) (i +j), at what time t does the particle first cross the x axis? Answer in units of s. part 2. At what time t is the particle moving parallel...
September 20, 2010 by Christian

physics
shows a plot of potential energy U versus position x of a 0.310 kg particle that can travel only along an x axis under the influence of a conservative force. The graph has these values: UA = 9 J, UC = 20 J and UD = 24 J. The particle is released at the point where U forms a ...
October 10, 2011 by Anonymous

physics
A particle has ⃗r(0) = (4 m)j and ⃗v(0) = (2 m/s)i. If its acceleration is constant and given by ⃗a = −(2 m/s2) (i +j), at what time t does the particle first cross the x axis? Answer in units of s. part 2. At what time t is the particle moving parallel...
September 2, 2011 by squires

physics
A particle moves along the x axis. It is initially at the position 0.280 m, moving with velocity 0.080 m/s and acceleration -0.240 m/s2. Suppose it moves with constant acceleration for 3.10 s. (a) Find the position of the particle after this time. (b) Find its velocity at the ...
May 18, 2011 by John

Physics
A particle moves along the x axis. It is initially at the position 0.350 m, moving with velocity 0.110 m/s and acceleration -0.380 m/s2. Suppose it moves with constant acceleration for 3.50 s. (a) Find the position of the particle after this time. (b) Find its velocity at the ...
May 19, 2011 by Luna

physics
A particle is moving clockwise in a circle of radius 1.75 m. At a certain instant, the magnitude of its acceleration is a = a = 39.0 m/s2, and the acceleration vector has an angle of θ = 50 with the position vector, as shown in the figure. At this instant, find the speed...
March 19, 2011 by HELP!!!!

physics
A particle is moving clockwise in a circle of radius 1.54 m. At a certain instant, the magnitude of its acceleration is a = 26.0 m/s2,and the acceleration vector has an angle of θ = 50 with the position vector, as shown in the figure. At this instant, find the speed, v ...
February 15, 2012 by sara

Calculus
The position of a particle on the x-axis at time t, t>0' is ln t. Find the average velocity of the particle for 1<=t<=e .
April 8, 2012 by Dandylove

physics
Two particles moving along parallel paths in the same direction pass the same point at the same time. Particle A has an initial velocity of 8.7 m/s and an acceleration of 1.2 m/s^2 Particle B has an initial velocity of 4.3 m/s and an acceleration of 7.7 m/s^2 At what time will...
November 4, 2012 by Savannah

Physics II
A positively charged particle is moving with a velocity v in a large homogeneous magnetic field. (a) If the field is 4 mT, the mass of the particle is 3310−9 kg, its initial speed 8.1 m/s, and its charge 6 μC, what is the magnitude of its acceleration? (in m/s^2) (...
October 2, 2014 by Ashton

Physics
A particle with an initial linear momentum of 2.28 kg m/s directed along the positive x-axis collides with a second particle, which has an initial linear momentum of 4.56 kg m/s, directed along the positive y-axis. The final momentum of the first particle is 3.42 kg m/s...
October 21, 2011 by Kellie

Please help with Calculus problem??
A particle moves with a fixed acceleration 3 m/s^2. If its initial velocity is s(0)=0: a) Find its velocity function. b) How long does it take for the particle to reach the velocity 14 m/s^2? c) Find the distance the particle traveled when its velocity reaches 14 m/s^2.
July 10, 2013 by Robin

math
a particle moves with acceleration a(t)=(t-2)m/s^2 along an x axis and has velocity v=(0)m/s at time t=0.find the displacement and distance travelled by the particle during the given time intervals 1is less than equal to t less than equal to 5
August 14, 2012 by merewai

DYNAMICS
A particle travels along a straight line with a velocity v=(12-3t^2) m/s, when t is in seconds. When t=1s, the particle is located 10m to the left of the origin. Determine the accelaration when t=4s, the displacement from t=0 to t=10s, and the distance the particle travels ...
February 17, 2013 by HELP

physics
If velocity v of particle moving in straight line is related with distance travelled S as v=2(1+S)^1/2. What will the acceleration of the particle?
July 20, 2011 by Pappi

dynamics
The acceleration of a particle is defined by the relation a = -60x^-1.5, where a is expressed in m/s^2 and x in meters. Knowing that the particle starts with no initial velocity at x = 4 m, determine the velocity of the particle when x = 2 m, x = 1 m, x = 100 mm.
September 20, 2012 by Bwelvin

Physics
Find the position and velocity of a particle at t=1.94 s if the particle is initially moving east at a speed of 19.8 m/s and experiences an acceleration of magnitude 4.08 m/s^2, directed west. Magnitude and direction of the position. magnitude- direction- East of its original ...
January 16, 2011 by Christopher

trig
The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s= 2 sin pi t + 3 cos pi t, where t is measured in seconds. (a) Find the average velocity during each time period: (i)[1,2] (ii) [1,1.1] (iii) [1, 1....
September 23, 2008 by Sarah

physics
A particle moves along a straight line such that its position is defined by s = (t3 3 t2 + 2 ) m. Determine the velocity of the particle when t = 4 s.
March 23, 2014 by Reem

math
The velocity function (in meters per second) for a particle moving along a line is given by v(t)=t34t2. Find the displacement and the distance traveled by the particle during the time interval [-1,6]. (Hint: Draw a graph of the velocity function.) Your answers require that ...
January 25, 2014 by kitor

physics
Two force vectors F1 = (2.5 N) x - (3.0 N) y and F2 = - (6.0 N) x + (4.8 N) y are applied to a particle. What third force F3 would make the net, or resultant, force on the particle zero? Magnitude ___ N Direction ___ (from the +x axis)
October 26, 2010 by rachel

physics
Two force vectors F1 = (2.5 N) x - (3.0 N) y and F2 = - (6.0 N) x + (4.8 N) y are applied to a particle. What third force F3 would make the net, or resultant, force on the particle zero? Magnitude ___ N Direction ___ (from the +x axis)
October 26, 2010 by rachel

physics
a particle that has a charge of +12.8E-19 C and a mass of 8.0E-27kg is moving along the +x axis at a constant speed of 2.0E10 m/s. it then enter a region where the eletric field of 300 N/C is directed along thr +x axis. calculate the particles displacement after it has been ...
February 22, 2010 by Najia

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

math
A particle moves with constant speed of 3m/sec along path y=3x^2 What is the acceleration of the particle at x=1.5m? I know that Velocity is y'=6x Somebody please help!
October 25, 2007 by david

Calculus
A particle moves along a line so that at any time t its position is given by x(t)=2(pi)t+cos(2(pi)t). Determine the particle's maximum velocity.
November 15, 2010 by MEG

dynamic
A particle moves along a straight line with an acceleration of m/s2, where s is in meters. Determine the particles velocity when s = 2m, if it start from rest when s = 1m.
June 30, 2012 by Adel

physics
a particle with velocity of 2m/s at t= 0 moves along a straight line with constant acceleration of 0.2m/s2. find the displacement of the particle in 10 seconds
August 9, 2014 by Joshin

PHYSICS
a MAGNET CAN EXERT A FORCE ON A MOVING CHARGED PARTICLE, BUT IT CAN NOT CHANGE THE PARTICLE'S KINETIC ENERGY. WHY?
February 6, 2008 by tina

Physics
A magnet can exert a force on a moving charged particle, but it cannot change the particle's kinetic energy. Why not?
February 9, 2008 by Heather

physics 201
A particle has an acceleration of +6.11 m/s2 for 0.281 s. At the end of this time the particle's velocity is +9.06 m/s. What was the particle's initial velocity?
April 27, 2011 by desmund

PHYSICS
The only force acting on a particle is conservative force F. If the particle is at point A, the potential energy of the system associated with F and the particle is 39 J. If the particle moves from point A to point B, the work done on the particle by F is +25 J. What is the ...
April 17, 2013 by Sara

physics 30
A charged particle with mass m, and a charge q, is moving through a perpendicular magnetic field of strength B at a velocity,v. The particle is deflected through a curved path with a radius of 15.0 cm. If the speed of the same particle is doubled and the magnetic field is ...
March 21, 2012 by sarah

Physics
When a charged particle moves at an angle of 12 with respect to a magnetic field, it experiences a magnetic force of magnitude F. At what angle (less than 90) with respect to this field will this particle, moving at the same speed, experience a magnetic force of magnitude 1....
April 1, 2013 by Anonymous

Physics
When a charged particle moves at an angle of 19 with respect to a magnetic field, it experiences a magnetic force of magnitude F. At what angle (less than 90) with respect to this field will this particle, moving at the same speed, experience a magnetic force of magnitude 2....
October 2, 2013 by Anonymous

Math/ Calculus Please HELP!!!
The following table gives the velocity v(t) (in feet per sec) at different instances of time t (in sec) of a particle moving along a horizontal axis. t 0 4 8 12 16 20 v(t) 43 42 40 35 25 5 Estimate the distance traveled by the particle between t = 0 sec and t = 20 sec using 5 ...
April 1, 2013 by Marto

non-medical
a particle with velocity u is moving with uniform accelration a. Distance moved by particle in the nth second is given by s= ut+a)2t-1. What are the dimensions of s?
June 11, 2012 by edward

physics
Two point charges of 48 nC and -45 nC are held fixed on an x axis, at the origin and at x = 77 cm, respectively. A particle with a charge of 69 μC is released from rest at x = 49 cm. If the initial acceleration of the particle has a magnitude of 123 km/s2, what is the ...
January 14, 2011 by Anonymous

physics
A particle has an acceleration of +6.24 m/s2 for 0.300 s. At the end of this time the particle's velocity is +9.81 m/s. What was the particle's initial velocity?
October 3, 2012 by Anonymous

physics
A body starts with an initial velocity of 10m/s and moves along a straight line with a constant acceleration. When the velocity of the particle becomes 50 m/s the acceleration is reversed in direction without changing magnitude. Find the velocity of the particle when it ...
July 17, 2014 by karan

calculus
the displacement (in meter) of a particle moving in a straight line is given by the equation of motion s=5t^3+4t+2, where t is measured in seconds. Find the velocity of the particle at t=3.
November 17, 2011 by L.J

Calculus
a particle moves along a line so that at any time t its position is given by x(t)=2(pi)t + cos2(pi)t find velocity find acceleration what are the values of t, 0<t<3, for which the particle is at rest? what is the maximum velocity?
November 30, 2010 by John

science
a particle is projected vertically upward with the velocity u m/s and after t(s) another particle is projected upwards from the same point and with the same initial velocity. proof that the particle will meet after a lapes of (u/g + t/2)seconds from the instance of the first ...
February 13, 2013 by Fatima

Calculus
When a particle is located a distance x meters from the origin, a force of cos(x/4) newtons acts on it. How much work W is done in moving the particle from x = 1 to x = 3?
December 4, 2011 by Ethan

physics
which of collowing situations describe a particle that might have a non-zero velocity? canbe more than one A) a particle that has a constant position as a function of time B) a particle that has its position changing as a fnction of time c)when you graph the particle's ...
April 10, 2012 by kelly

physcis ! HELP !!!!
which of collowing situations describe a particle that might have a non-zero velocity? canbe more than one A) a particle that has a constant position as a function of time B) a particle that has its position changing as a fnction of time c)when you graph the particle's ...
April 10, 2012 by kelly

physics,dynamics
The acceleration of a particle along a straight line is defined by a = (2t - 9) m/s2, where t is in seconds. At t = 0, s = 1 m and v = 10 m/s. When t = 9 s, determine (a) the particles position, (b) the total distance traveled, and (c) the velocity.
March 7, 2013 by Anonymous

Physics
A 0.60-kg particle moves along the x-axis. Its potential energy is given by U(x)=5x^2, where U is joules and x is in meters. If the particle has a speed of 3.0m/s what it is at x=1.2m, its speed when it is at the origin is?
October 10, 2010 by Dana

physics
An unstable nucleus of mass 17x10^-27 kg, initially at rest, disintegrates into 3 particles. One of the particles, of mass 5x10^-27kg, moves along the positive y axis with a speed of 6.0x10^6m/s. Another particle, of mass 8.4x10^-27kg, moves along the positive x axis with a ...
November 8, 2007 by Anonymous

physics
Initially, a particle is moving at 5.30 m/s at an angle of 35.0 above the horizontal (+x axis). Two seconds later, its velocity is 5.97 m/s at an angle of 50.0 below the horizontal. What was the particle's average acceleration during this time interval? ________m/s2 (x ...
November 10, 2012 by Ed

Physics
A 59 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to cause it to move to the right at 38 m/s? .....i have tried two different ways and gotten the wrong answer. Kinetic Energy = 0.5 * Mass * (Change in Velocity)^2. Change in ...
November 29, 2009 by Haley

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
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

CALCULUS BC
a particle moves on the x-axis in such a way that its position at time t is given by x(t)=3t^5-25^3+60t. for what values of t is the particle moving to the left. a.-2<t<1 only b.-2<t<-1 and 1<t<2 c.1<t<2 only d.-1<t<1 and t>2 e.t<-2,-1<t&...
November 15, 2010 by paul

Calculus
Let f be the function given by f(t) = 2t + sin(2t) a) Find the value of t in the open interval (0,20 for which the line tangent at (t, f(t)) is parallel to the line through (0,0) and (2,4) b) Suppose the given function describes the position of a particle on the x-axis for ...
December 19, 2008 by Aaron

Calculus
A particle moves along the x-axis with velocity v(t) = -(t-3) + 5 for [0,6]. a) Find the average velocity of this particle during the interval [0,6]. b) Find a time t* ∈ [0,6] such that the velocity at time t* is equal to the average velocity during the interval [0,6]. ...
October 10, 2011 by Erica

Physics/Math
A force F = (4.0 N)i + cj acts on a particle as the particle goes through displacement d = (3.4 m)i - (2.0 m)j. (Other forces also act on the particle.) What is the value of c if the work done on the particle by force F is each of the following? (a) zero (b) 19 J (c) -17 J ...
March 1, 2007 by Technoboi11

PHYSICS
A particle confined to motion along the x axis moves with constant acceleration from x = 2.0 m to x = 8.0 m during a 2.5-s time interval. The velocity of the particle at x = 8.0 m is 2.8 m/s. What is the acceleration during this time interval?
September 15, 2008 by Ami

Physics
A beam of unknow charged particles passes at right angles to the direction of magnetic field of 9.0 x 10^-2 T. if the speed of the particles is 3.0 x 10^4 m/s and the force experiences by a particle is 8.64 x 10^-16 N. How many electric charges are carried by one particle?
June 4, 2008 by BAdams

Calculus based physics
A particle travels along a path described by the function y=0.2x^3. The exponent of velocity is given by vx=(5t^2)ft/s. When t=0, x=y=0, find the particle's distance from the origin and the magnitude of its acceleration when t=1s.
February 27, 2012 by Jimmy

phyysics-please help!
an arrangement of four charged particles, with angle θ = 34.0 ˚ and distance d = 1.50 cm. Particle 2 has charge q2 = 8.00 10-19 C; particles 3 and 4 have charges q3 = q4 = -1.60 10-19 C. What is the distance D between the origin and particle 2 if the net ...
January 14, 2011 by Anonymous

calculus
If an equation of motion of a particle is given by s(t)= Acos(t + ), 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

uniten
3. At t = 0 , a particle leaves the origin with a velocity of 9.0 m/s in the positive y direction and moves in the xy plane with constant accelaration of ( 2.0i - 4.0j ) m/s2 . At the instant the x coordinate of the particle is 15 m , what is the speed of the particle ?
June 15, 2011 by ameer

Physics
A 0.500 kg particle moves in a circle of R=0.0150 m at constant speed. The time for 20 complete revolutions is 31.7 s. What is the period T of the motion? What is the speed of the particle? What is the centripetal acceleration of the particle? What is the centripetal force on ...
March 5, 2013 by Nancy

Physics
A uniform thin ring of charge, with radius 5.20 cm and total charge 6.60 C, is located in the yz-plane and centered on the origin. (In other words, the x-axis passes through the center of the ring, and is perpendicular to the ring.) A particle of mass 17.9 g and charge 4.80 ...
November 1, 2010 by Rudi

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