Collision Definition and 1000 Threads

Homework Statement A 2.9 ton weight falling through a distance of 6.5 ft drives a 0.5 ton pile 1.5 in. into the ground A) Assuming that the weight-pile collision is completely inelastic, find the average force of resistance exerted by ground B) Assuming that the resistive force in (A) remains...

Homework Statement A block of mass m is attached to a spring with a force constant k, as in the above diagram. Initially, the spring is compressed a distance x from the equilibrium and the block is held at rest. Another block, of mass 2m, is placed a distance x/2 from the equilibrium as...

Homework Statement A block of mass m is attached to a spring with a force constant k, as in the above diagram. Initially, the spring is compressed a distance x from the equilibrium and the block is held at rest. Another block, of mass 2m, is placed a distance x/2 from the equilibrium as...

Homework Statement : [/B]I asked a question on this topic before, but I want to make sure I know the material well. So, I looked up another question similar to it (and a little more complex) to check my understanding. Here is the practice problem: A board with mass M, when placed into a coil...

How do collisions occur between different particles when the field excitements that make them are not the same? Also how do you collide when the field are the same? Wouldn't the values of the field just increase until the particles pass through each other? (Like a constructive wave). What I mean...

Homework Statement During a game of billiards, a white cue ball traveling at speed v strikes a green ball that was initially at rest. The green ball's speed after the collision is twice the speed of the white ball after the collision. The billiard balls have equal mass. What is the angle...

Homework Statement A mass m1, with initial velocity u, collides elastically with mass m2, which is initially at rest. After collision, m1 deflects by angle θ. Find the maximum value of θ. The answer given is θmax=acos(sqrt(1-(m1/m2)^2)). Does this mean that the maximum angle cannot exist if...

Homework Statement Determine if two circular objects (both moving or one stationary), collide and if so, determine their final velocity. The two objects are being rendered using Graphics's Java library class, updating their position 60 times per second. Their position (x,y) is determined based...

Homework Statement Two blocks have masses m1 and m2 and speeds v1 and v2. The objects slide directly toward each other along a frictionless horizontal surface and collide. After the collision, block m1 is at rest. Find the work done by the contact force on block m2 during the collision...

Homework Statement [/B] Two moving objects (circle shaped) with a known mass, move in a 2D plane with a known constant direction and speed, at certain point, objects collide with each other (elastic). At that point, the coordinates of the center each object is known, their radius is also known...

Hai pf, I had a doubt? we were well known about black holes still it act as a mysterious one. Well my question is about collision of two black holes. what happens if a highmass of black hole colloide with lowmass of black hole? Is the highmass black hole will suck the low mass black...

Homework Statement Two cars are approaching a perpendicular intersection without a stop sign. Car 1 has a mass m1=900kg and is heading north at v1=25m/s. Car 2 has mass m2=700kg and is heading west at an unknown speed v2. The two cars collide at the intersection, and stick together as a result...

Homework Statement A 0.60kg cart moving at 5.0m/s[W] collides with a 0.80kg cart moving at 2.0m/s[E]. The collision is cushioned by a spring(k=1200N/m). Homework Equations [W] is Positive PTo=PTf ETo=ETf The Attempt at a Solution PTo=PTf m1v1o+m2v2o=(m1+m2)vf...

A recent article on Proton/Lead collisions (http://physics.aps.org/articles/v8/61) used a graphic seen in earlier articles on Proton/Proton collisions (ie. http://arxiv.org/pdf/1206.0148v1.pdf). I understand the gray disks to represent protons just after the collision (flattened due to...

Hello guys, I am developing a physics system that simulates collision between two cubes. I need to calculate the total energy in those cubes in an instant before the collision. I know that the total kinetic energy in this case is the sum of the angular velocity energy and the linear velocity...

Homework Statement a bullet has mass=0.01kg velocity=150m/s, you have a cylinder with 5.0m^3 of air at STP with a piston at one end that has mass=0.1kg and surface area of 10cm^3 and is at rest. The bullet strikes and embeds itself into the piston. The system is to be considered adiabatic after...

Homework Statement A 1000 kg plane is trying to land on the deck of a 2000 kg barge at rest on the surface of the sea. The only frictional force to consider is between the plane’s wheels and the deck, and this braking force is constant and equal to one-quarter of the plane’s weight. What must...

Homework Statement A car with a mass of 1400 kg is westbound at 50 km/h. It collides at an intersection with a northbound truck having a mass of 2000 kg and traveling at 40 km/h. What is the initial common velocity of the car and truck immediately after the collision if they have an...

1) Are there any ways to control the impulse in an collision in a lab condition? I.e. if I set an object connected to a spring and try to hit a ball using the object, are there any ways to control the impulse of the collision? 2) How to detect the change from slipping to pure rolling...

Homework Statement [/B] A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path, determine: a. the speed of the first ball after the collision. b. the speed and direction of the...

Homework Statement Ball of mass M collide two balls of mass m , elastic collision . initially, M has velocity v , and two balls are stationary. after the collision the two masses move ,like in figure , v_a , v_b / What is the velocity V ,of mass M after the collision ? Homework...

Homework Statement In the figure here, a 12.8 g bullet moving directly upward at 930 m/s strikes and passes through the center of mass of a 8.3 kg block initially at rest. The bullet emerges from the block moving directly upward at 520 m/s. To what maximum height does the block then rise above...

Hi. Does anyone know the probability of an energetic photon interacting with ions in free space if we know the ion gas density and the photons wavelength? I'm trying to find out if the energetic photon is treated like a particle where its size is relative to it's wavelength. In other words, is...

Homework Statement [/B] A white billiard ball with mass mw = 1.53 kg is moving directly to the right with a speed of v = 3.25 m/s and collides elastically with a black billiard ball with the same mass mb = 1.53 kg that is initially at rest. The two collide elastically and the white ball ends...

Hi, I've been wondering is there anyway of calculating the angular speed of a ball after there is a collision of it and another mass. For example a baseball bat hitting the ball. I have not looked up on angular momentum, but is angular momentum involved in this? Based on common sense, I think...

Homework Statement A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball. If the first ball moves away with angle 30° to the original path, determine: a. the speed of the first ball after the collision. b. the speed and direction of the second ball after...

Homework Statement A racquet ball with mass m = 0.224 kg is moving toward the wall at v = 15.1 m/s and at an angle of θ = 28° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with respect to the...

Homework Statement Car A with mass 1000 kg is accelerating at 1ms-2 at car B. Car B with mass 1000 kg is accelerating at 1ms-2 at car A. What is the force on car B at the collision? Homework Equations F = ma Newton's third law The Attempt at a Solution Car A force: F = ma F = 1000 x 1 F =...

Homework Statement a. Suppose two particles with mass $m$ and coordinates $x_1$, $x_2$ collides elastically, find the lagrangian and prove that the linear momentum is preserved. b. Find new coordiantes (and lagrangian) s.t. the linear momentum is conjugate to the cyclical coordinate. Homework...

Homework Statement Mass of 2m slides on a horizontal plane with the velocity of v0 across the x-axis. And hits the mass m which is in rest. after the collision mass m moves with the velocity of v0/2 in the direction which creates an angle of 30 degrees of the original movmen of 2m. a) What is...

Homework Statement An object of mass m1 traveling with velocity v1i has a perfectly elastic collision in which it rear ends and object of mass m2 (m2>>m1) traveling with velocity v2i. How must the velocity v1i relate to v2i if the mass m1 is to stop in its tracks (v1f=0)? What happens if...

I have 2 objects: Obj1 have a Velocity of vel1 and position of (x1, y1) Obj2 have a Velocity of vel2 and position of (x2, y2) Using time = distance / velocity knowing that they will collide.. can I assume distance1 / vel1 = distance2 / vel2 ? distance formula = sqrt((x - x1^2) + (y - y1^2)) Can...

Homework Statement Homework EquationsThe Attempt at a Solution When the particle of mass M/2 collides with the pan ,an impulsive tension acts on the (pan+particle) . Let us call this J . Tension acting in the string between the two blocks is T . Speed of particle before collision = u =...

Could be a stupid question. But in case of complete inelastic collision, when one particle is at rest and other one collides with it and both move together, I made calculations(pretty simple ones), the conservation of linear momentum and conservation of kinetic energy give different results. Can...

Homework Statement Two blocks collide on a perfectly elastic collision, after sliding on a frictionless surface. va = 1m/s vb = 1m/s ma = 0.05kg mb = 0.03kb I need to find the speed of both blocks after the crash. Homework Equations Conservation of momentum: mava+mbvb = mava' + mbvb'...

Homework Statement 2. Homework Equations Elastic collision: KE conserved The Attempt at a Solution I don't think there's really anything to work out...why would the 2M block move right as well?

Cars A and B have the sama mass. A and B are traveling at 60 mph toward each other. They have two options: hitting the other car head on, or swerving into a massive concrete wall, also head on. (assume the same amount of KE is lost by your car in both collisions.) Should the drivers hit the...

Hi, I'm wondering about the effect of the shaft flex on the impact velocity between the club and the ball. I understand that as I swing down the golf club, the shaft flexes and the club head lags behind. Near the end of the point of impact, the shaft bends forward. Intuitively, I would think...

Hello, I need to calculate the impact that a car (small car) has on a metal structure. What I know: The mass of the car : 99 kg, the velocity of the car : max 3 km / h -> 0,833333 m / s Thus the force of the car at 3 km / h is 82,5 Newton. Now I need to know how much that metal structure can...

Homework Statement I have two conceptual questions that I have written in read in my solution. The solution, and all the work, is correct. However there are two things that I am unsure as to why I am doing it. Thanks! Homework Equations Included in solution, although none should be needed as...

Homework Statement The engineer of a passenger train traveling at vP sights a freight train whose caboose is distance D ahead on the same track. The freight train is traveling at vF in the same direction as the passenger train. The engineer of the passenger train immediately applies the brakes...

Homework Statement Two equal energy photons collide head on and annihilate each other, producing a u+, u- pair. The two particles have equal mass, about 207 times the electron mass. A) Calculate the maximum wavelength of the photons for this to occur. B) If the wavelength calculated in A) is...

Homework Statement A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path, determine the speed of the first ball after the collision. the speed and direction of the second ball...

Hey everyone, I have a little physics space problem I can't manage to solve, so I hoped someone would be able to help me here. This is the problem: We have an object with mass m and speed v1 approaching an other object with mass M and speed U1. The two objects are moving in opposite direction...

Homework Statement Calculate the minimum beam energy in a proton-proton collider to initiate the p+p→p+p+n0 reaction. The rest energy of the no is 547.3MeV.Homework Equations For a head on collision between particles a and b, from conservation of total energy: Ex = Ep + Ep' = 2Ep so that...

Homework Statement So I have this practice problem with the solution, but I don't understand how: "A particle of mass m1 and speed v1 in the +x direction collides with another particle of mass m2. Mass m2 is at rest before the collision occurs, thus v2 = 0. After the collision, the particles...

From the equation for Z from this website...

Homework Statement This is just a question relating to an assignment I am doing, if a steel block mass m1 traveling at velocity v1 and friction of 0.1 hits a concrete barrier traveling at 0 with mass m2 with friction 0.6. they have an inelastic collision and travel 0.1m together. Homework...

Homework Statement find the velocity that the man was traveling at immediately before the collision radius = 10m height = 3m angular velocity = constant mass of person = 65kg mass of kiosk = 150kg displacement of kiosk after collision = 5m coefficient of friction kiosk = 0.6 Homework...

Homework Statement A solid block of mass m2 = 8.1 kg, at rest on a horizontal frictionless surface, is connected to a relaxed spring. The other end of the spring is fixed, and the spring constant is k = 230 N/m. Another solid block of mass m1 = 4.0 kg and speed v1 = 5.1 m/s collides with the...