Inelastic collision Definition and 330 Threads

There is a gummy bear stuck to the ceiling where I work. When it hit the ceiling, some of its kinetic energy would be transformed into thermal energy and some into sound. I'm wondering if some is also stored as potential energy in deforming the gummy bear slightly. Also, are there any other...

Homework Statement A mass M slides down a smooth surface from height h and collides inelastically with the lower end of a rod that is free to rotate about a fixed axis at P as shown below. The mass of the rod is also M, the length is L, and the moment of inertia about P is ML2/3. The angular...

From conservation of momentum and energy, it turns out that if two objects bump into each other and end up moving at the same speed, energy must have been lost. I know the formulas and calculations, but what physically happens at the contact site? Why cannot one object just push the other one...

Homework Statement [/B]A bullet traveling at 100 m/s strikes the wall inelastically. It is observed that the bullet's temperature rises by 10 Kelvin due to the collision. Find the specific heat capacity of the bullet if all of the bullet's energy goes into heat. Homework Equations ΔQ=mcΔT...

Homework Statement a ball falls in a truck loaded with sand with velocity v having horizontal and vertical component. The angle under which it enters the truck is α, the mass of the ball is m of the track loaded with sand is M. What happens with the momentum after the collision? The...

hi everyone. I'm working on a physics engine as part of a game I'm making, a hobby project. Up until this point I've implemented inter object collisions in a rather quick and dirty manner. Whenever something moves into something else, it is simply teleported back out to the edge. This...

Homework Statement In a movie stunt, a 65 kg skier starts from a rest position at the top of a hill 30m high. She slides down the hill to the bottom, where she collides with a 45 kg stationary skier. The collision is completely inelastic. Find the final velocity of the skiers. Homework...

Alright, I did all the work for this problem, but do not know the correct answers and therefore cannot check my work with 100% confidence. So if somebody could look it over and let me know if I did everything correctly or not, I'd appreciate it. The answer I calculated for part e seemed kind of...

I'm trying to understand the concept of the following situation: A 75.0-kg ice skater moving at 10.5 m/s crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 5.25 m/s. Suppose the average force a skater can experience without breaking a bone is...

Homework Statement Okay, we have a lab about elastic and inelastic collision, and we have to do it in an air table/spark table that generates dots (can be like ticker tapes). We have to determine Momentum (P and P') and Kinetic Energy (Ek and Ek') Please view my attachment. (' = after...

Homework Statement Leonard wants to know how fast he can throw a ball, so he hangs a 2.3 kg target on a rope from a tree. He picks up a 0.5 kg ball of clay and throws it horizontally against the target. The clay sticks to the target and the clay and the target swing up to a height of 1.5m...

Hi Experts two cars collide on road - it cannot be elastic collision but will it be a inelastic? and does in real life we can have elastic and inelastic collision.

Homework Statement A 1300-kg car collides with a 15,000-kg truck at an intersection and they couple together and move off as one leaving a skid mark 5m long that makes an angle of 30.0° with the original direction of the car. If μk = 0.700, find the initial velocities of the car and truck...

Homework Statement 2000 kg car traveling west at 75 km/h and a motorcycle traveling south at 108 km/h weighing 1000kg. assuming the collision is completely inelastic, what is the velocity of the vehicles after the collision. Homework Equations I know that the Pi, system = Pf, system...

Homework Statement A blue car with mass mc = 499 kg is moving east with a speed of vc = 21 m/s and collides with a purple truck with mass mt = 1283 kg that is moving south with a speed of vt = 11 m/s . The two collide and lock together after the collision. What is the angle that the...

Homework Statement Values from previous problem: Pre-collision: v2kg=6m/s -->, v3kg=3m/s <-- Post-collision: v2kg=2m/s <--, v3kg=5.67m/s --> Collision time: 0.2 sec Homework Equations F=mA=m(Δv/Δt) The Attempt at a Solution My instinct to solve this was to use the pre-collision values to...

Hi everyone, I am a student of A'Levels and I am having a problem with a Question regarding inelastic collision the question is as follows: Whenever two bodies collide and they stick together the collision is essentially inelastic. Explain? Can anybody help me out with this this is a...

Homework Statement Two gliders move toward each other on a frictionless linear air track. Glider 1, mass = 0.5kg , velocity = 2m/s (to the left) Glider 2, mass = 0.3kg , velocity = 2m/s (to the right) After collision, glider 2 moves away (to the left) with final velocity of 2m/s...

I'm trying to figure out how to calculate collision response in a simulation I'm working on. Here are the details: 2D Objects are made of axis-aligned edges and do not rotate Object masses are whole numbers Collisions are completely inelastic No friction Collision/separation times are...

Hey everyone, Reviewing material for a technical interview and I have stumbled into some problems that I sadly have issues with. Old review for me :D. Any help would be appreciated. I can follow up through the conservation of energy equation. However at the in an elastic collision...

http://session.masteringphysics.com/problemAsset/1007938/22/6318.jpg Two cars, both of mass m, collide and stick together. Prior to the collision, one car had been traveling north at speed 2v, while the second was traveling at speed v at an angle phi south of east (as indicated in the figure)...

I'm trying to use the equations on http://teachers.web.cern.ch/teachers/archiv/hst2002/bubblech/mbitu/applications_of_special_relativi.htm" and I have solved the following. Is it correct?

Homework Statement A particle of mass m1 and momentum p1 collides with a particle of mass m2 at rest. A reaction occurs, as a result giving two new particles, with masses m3 and m4, that are emitted at angles \theta_3 and \theta_4, in relation to the original direction of m1. Determine the...

This is a problem I have thought about for a long time without any progress. Please give me a hint. Homework Statement Cars B and C are at rest with their brakes off. Car A plows into B at high speed, pushing B into C. If the collisions are completely inelastic, what fraction of the...

For my intro to physics class, we have to do a project known as Phylm, in which we analyze a scene from a movie that utilizes physics in some way and then determine, based on our findings, whether the situation is viable or not. I'm using the scene from V for Vendetta in which V throws a pair of...

A ball of clay of mass m = 0.5 kg strikes a block of mass M = 8.0 kg which slides on a frictionless table as it compresses a spring with spring constant k = 60 N/m. The initial speed of the ball of clay is v = 12 m/s. The spring is initially at its relaxed length. W= delta K = 1/2mv^2 W...

Homework Statement Consider a translating and rotating rigid disk. As it movies, it just tips the top of a rod that is initially at rest. The puck sticks to the rod, forming a rigid body that looks like a popsicle that after the collision moves on as one rigid body. I did the calculations to...

Homework Statement Suppose that in the figure below, script i = 0.88 m, L = 2.2 m, M = 1.2 kg, and m = 0.6 kg. The string breaks when the system's angular speed approaches the critical angular speed ωi, at which time the tension in the string is 108 N. The masses then move radially outward...

1.Use 5.98 × 1024 kg as the mass of the Earth. A 1680 kg meteorite has a speed of 184 m/s just before colliding head-on with the Earth. Determine the recoil speed of the Earth. Answer in units of m/s. 2. (m1+m2)vf=m1v1i+m2v2i 3. used the equation for a perfectly inelastic...

Homework Statement A 20.00kg lead sphere is hanging from a hook by a thin wire 3.50m long, and is free to swing in a complete circle. Suddenly it is struck horizontally by a 5.00kg dart that embeds itself in the lead sphere. What must be the minimum initial speed of the dart so that the...

Fermi's Golden Rule for an inelastic transition states gives the probability of a transition, due to a perturbation (which is constant in a given time interval). For 2 energy states A and B, it is proportional, among others quantities, to what I'll call E. This E is the small range of energy...

Homework Statement Two blocks A and B are attached to a spring of force constant K and are placed on a horizontal surface. The coefficient of friction between block A and surface is zero while between block B and surface is μ. A spherical ball of mass M, radius R impinges on block A with...

Homework Statement : A cart 'C' mass of 2 tonnes is launched at 10m/s towards Cart 'B' which is 3 tonnes and moving at 12.5m/s. The angle between their paths of motion is 90 degrees. When the 2 carts collide, they remain stuck together. what is the velocity of the stuck together cart 'CB'...

Homework Statement Car A travels North at 35km/hr. Car B travels East at 75 km/hr. Mass of Car A = Mass of Car B Cars have a perfectly inelastic collision. Homework Equations What is the magnitude of the velocity of the tangled mess after the collision? (km/hr) The Attempt at a...

Homework Statement Ball 1: 3kg, 7 m/s initially Ball 2: 4kg, V m/s initially Ball 3: 5kg, 10 m/s initially Find V if the system collides inelastically and moves off at 2 m/s at 5 degrees above the horizontal. Homework Equations p + p = p + p (in both x and y directions) The...

Homework Statement I can solve this problem, but I keep getting a different answer from the textbook. I just want to confirm whether I'm wrong or the textbook is wrong. A truck of mass 2.3 x 104 kg traveling at 15 m/s [51° S of W] collides with a second truck of mass 1.2 x 104 kg. The...

inelastic collision...kinetic energy lost? Homework Statement a bullet with a mass of 6 g is fired through a 1.25kg block of wood on a frictionless surface. initial speed of the bullet is 896 m/s and speed of bullet after it passes through it is 435 m/s. what's the final velocity? how much KE...

the question is : a 1 kg block at rest on a horizontal surface is connected to an unstreched spring with a spring constant k=1000 N/m . A 2 kg block whose speed is 6 m/s collides with 1kg block. if the two blocks stick together and move on a rough surface after collision: find 1- the final...

Homework Statement The figure shows an overhead view of two particles sliding at constant velocity over a frictionless surface. The particles have the same mass and the same initial speed v = 4.00 m/s, and they collide where their paths intersect. An x-axis is arranged to bisect the angle...

Homework Statement Two skaters collide and embrace, in a completely inelastic collision. Alfred, whose mass is 83 kg is originally moving east with a speed of 6.3km/hr. The other skater (m=55 kg) is originally moving north with a speed of 7.8km/hr. What is the velocity (magnitude and...

Homework Statement Problem 1: The coefficient of restitution for steel colliding with steel is 0.95. If steel is dropped from a height ho above steel plate, to what height will the ball rebound. Problem 2: in an elastic head on collision with a stationary target particle, a moving particle...

Homework Statement Two identical sticky masses m are moving in the xy-plane, with their momenta at an angle of φ with one another. They are each moving at the same speed v when they collide at the origin of the coordinates and stick together. After the collision, the masses move at an angle...

Homework Statement An American football game has been canceled because of bad weather in Cleveland, and two retired players are sliding like children on a frictionless ice-covered parking lot. William 'Refrigerator' Perry, mass 162 kg, is gliding to the right at 7.41 m/s, and Doug Flutie, mass...

Homework Statement This was a test question that I got wrong and it has been bothering me so much. How is momentum conserved in an inelastic collision? Homework Equations p = mv KE = (.5)m(v^2) The Attempt at a Solution I know that kinetic energy is not conserved because some of...

hi, i need answer for this questions please ( see th attchment)

How does a graph of an inelastic collision look like? I've searched through the web and found 2 possible answers, but obviously there's only one answer.

Two cars approach each other at an intersection. One car has a mass of 928.4 kg and is traveling in the negative y direction with a velocity of 21.4 m/s. The second car has a mass of 951.2 kg and is traveling in the positive x direction with a velocity of 39.5 m/s. If the collision is totally...

Homework Statement An 8g bullet is fired into a 250g block that is initially at rest at the edge of a table of height 1m. The bullet remains in the block, and after the impact the block lands 2m from the bottom of the table. Determine the initial speed of the bullet. [To clarify, the block...

Homework Statement Let us consider a perfectly inelastic collision between two protons: an incident proton with mass m, kinetic energy K, and momentum magnitude p joins with an originally stationary target proton to form a single product particle of mass M. Due to conservation of momentum...

1. a mass m1=5g moving to the right at a speed of 100m/s undergoes a perfectly inelastic collision with a block of wood, m2= 100g, at rest. what is the speed just after the collision? 2. if the mass and block of wood described in question #1 are parts of a ballistic pendulum of length 2m...