Number of results: 19,472
A particle of mass m and initial velocity v collides elastically with a particle of mass M coming from opposite direction.After collision m has velocity V/2 at right angles to incident direction and M moves at an angle of 45 degree . Find M/m.
Friday, September 2, 2011 at 9:26am by Nantu
A particle makes a head-on-collision with an unknown particle at rest.The proton rebounds back with 4/9 of its initial kinetic energy.Find the ratio of mass of unknown particle to mass of proton assuming the collision to be elastic.
Friday, September 2, 2011 at 9:30am by Nantu
Particle A of mass 'm' has initial velocity v.After colliding with a particle B of mass'2m' the particles have the following paths B makes an angle 45 degree while A makes an angle X.first,A was moving straight.Find X.
Friday, September 2, 2011 at 9:41am by Nantu
A. You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity at an angle θ with respect to the horizontal. Let the building be 50.0...
Friday, September 9, 2011 at 11:26am by Awonah
Consider a rock thrown off a bridge of height 78.5 m at an angle è = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 15.6 m/s. Find the following quantities: (a) the maximum height reached by the rock (b) the time it takes the rock...
Monday, September 12, 2011 at 1:49am by HELP
I have been at this question for at least three hours now. Consider the chemical system below. 2 NOCl(g) 2 NO(g) + Cl2(g) K = 1.6 10-5 What is the equilibrium concentration of nitrogen monoxide, [NO], given each of these initial conditions? (a) [NOCl]0 = 0.480 M; [Cl2]0 = 0.0 ...
Monday, September 12, 2011 at 9:57pm by Im so sick of this problem
consider the vertical movement hf=hi+Viv*t-1/2 g t^2 first equation: 0=Viv*3.56-4.9(3.56^2) solve for Viv, the initial componentof vertical velocity Second equation: hf=hi+Viv*5.31-4.9(5.31)^2 0=hi+ Viv.... solve for hi, the initial height of the cliff. Finally, initial ...
Wednesday, September 14, 2011 at 6:45pm by bobpursley
Can someone review this and let me know if it is acceptable?? This class was so hard and it has been all i can do to pass it! Here is the article i chose Addiction Is a Choice, Not a Disease Addiction , 2009 Content Level = Intermediate Dale Netherton, "It's Not Addiction, It'...
Saturday, September 17, 2011 at 1:04am by Lindsay
Two particles each have a mass of 6.7 x 10-2 kg. One has a charge of +7.3 x 10-6 C, and the other has a charge of -7.3 x 10-6 C. They are initially held at rest at a distance of 1.1 m apart. Both are then released and accelerate toward each other. How fast is each particle ...
Sunday, September 18, 2011 at 6:46pm by kim taylor
a particle (C) of mass m = 0.2 kg can slide without friction on an inclined plane making an angle alfa (a) = 30 degrees with respect to the horizontal (aka ground) . (C) is launched at at an instant to=0 along a line Ox of greatest slope with an initial velocity of Vo =5 m/s...
Saturday, September 24, 2011 at 4:48am by PlzhelptheyllkillmeifIgetthiswrong
Two particles are at the same point at the same time, moving in the same direction. Par- ticle A has an initial velocity of 9 m/s and an acceleration of 2.7 m/s2. Particle B has an initial velocity of 2.9 m/s and an acceleration of 4.2 m/s2. At what time will B pass A? Answer ...
Sunday, September 25, 2011 at 3:30pm by Hannah
home economics - PLS help
Need help with some economics problems and wondering if anyone can help. 1- ) Consider a farmer who has access to a bond market where she can borrow or lend at the interest rate R. Assume also that her money holdings (nominal balances) and the price level stay constant over ...
Wednesday, September 28, 2011 at 12:03am by MW
Consider the velocity curve of a one dimensional motion along the x-axis. The initial position is x= 10 m. The scale on the horizontal axis is 2 s per division and on the vertical axis 2 m/s per division. A) What is the position at t=4 s? B) what is the average velocity ...
Wednesday, September 28, 2011 at 11:53am by Ana
I"m writing a essay for class and this is the rough draft can you please read and let me know what kind of changes I need to make to it. Have you given any thought to where you will live when you are "on your own" - out in the world earning a living? You will have many ...
Friday, September 30, 2011 at 2:02pm by Firefly
Given: The initial position of the block is the origin; i.e., x = 0 at t = 0 . Consider down the track to be the positive x-direction. A block with an initial velocity v0 slides up and back down a frictionless incline. Which graph best represents a description of the velocity ...
Sunday, October 2, 2011 at 11:28am by Cassandra
In a location in outer space far from all other objects, a nucleus whose mass is 3.57232e-25 kg and which is initially at rest undergoes spontaneous "alpha" decay. The original nucleus disappears, and two new particles appear: a He-4 nucleus of mass 6.640678e-27 kg (an "alpha ...
Friday, October 7, 2011 at 10:57am by bryce tanaka
Calculate the loss of rest mass energy. That will equal the sum of the kinetic energies of the two fragments. (delta m)*c^2 = 9.322*10^-30 kg*c^2 = 8.379*10^-13 J Since the original particle was stationary, the two fragments have equal and opposite momenta. You can use that ...
Friday, October 7, 2011 at 10:57am by drwls
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...
Friday, October 14, 2011 at 8:13pm by Kaylah
A particle starts from the origin at t = 0 with an initial velocity of 5.5 m/s along the positive x axis.If the acceleration is (-2.8i + 4.1jm/s^2, determine (a)the velocity and (b)position of the particle at the moment it reaches its maximum x coordinate.
Sunday, October 16, 2011 at 3:26am by julia
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...
Friday, October 21, 2011 at 8:37pm by Kellie