Inelastic Collisions
Inelastic collisions represent a fundamental concept in physics, pivotal to understanding the conservation of momentum and kinetic energy within a closed system. Unlike elastic collisions where kinetic energy remains constant, inelastic collisions involve a loss of kinetic energy due to deformation or other forms of energy transfer, resulting in the objects sticking together or undergoing structural changes. This phenomenon finds application across various fields, from analyzing traffic accidents to studying celestial bodies' interactions. Understanding the dynamics of inelastic collisions provides insights into the behavior of matter under different conditions and contributes to advancements in engineering, astrophysics, and material science.
Questions
- How do you calculate the coefficient of restitution?
- A ball with a mass of #2 kg # and velocity of #4 m/s# collides with a second ball with a mass of #5 kg# and velocity of #- 6 m/s#. If #20%# of the kinetic energy is lost, what are the final velocities of the balls?
- A 2000.-kg limousine moving east at 10.0 m/s collides with a 1000.-kg honda moving west at 26.0 m/s. the collision is completely inelastic an takes place on an icy (frictonless road) ?
- Why is the coefficient of restitution important?
- A ball with a mass of #4 kg # and velocity of #5 m/s# collides with a second ball with a mass of #9 kg# and velocity of #- 4 m/s#. If #40%# of the kinetic energy is lost, what are the final velocities of the balls?
- Why do inelastic collisions conserve momentum?
- A ball with a mass of #6 kg # and velocity of #1 m/s# collides with a second ball with a mass of #4 kg# and velocity of #- 7 m/s#. If #75%# of the kinetic energy is lost, what are the final velocities of the balls?
- A ball with a mass of #4 kg # and velocity of #4 m/s# collides with a second ball with a mass of #5 kg# and velocity of #- 7 m/s#. If #20%# of the kinetic energy is lost, what are the final velocities of the balls?
- A ball with a mass of #5 kg # and velocity of #2 m/s# collides with a second ball with a mass of #8 kg# and velocity of #- 3 m/s#. If #75%# of the kinetic energy is lost, what are the final velocities of the balls?
- A ball with a mass of #4 kg # and velocity of #1 m/s# collides with a second ball with a mass of #2 kg# and velocity of #- 5 m/s#. If #75%# of the kinetic energy is lost, what are the final velocities of the balls?
- A ball with a mass of #2 kg # and velocity of #8 m/s# collides with a second ball with a mass of #4 kg# and velocity of #- 1 m/s#. If #15%# of the kinetic energy is lost, what are the final velocities of the balls?
- A ball with a mass of #1 kg # and velocity of #6 m/s# collides with a second ball with a mass of #1 kg# and velocity of #- 3 m/s#. If #20%# of the kinetic energy is lost, what are the final velocities of the balls?
- A ball with a mass of #4 kg # and velocity of #3 m/s# collides with a second ball with a mass of #2 kg# and velocity of #- 8 m/s#. If #10%# of the kinetic energy is lost, what are the final velocities of the balls?
- Why is law of conservation of momentum important?
- A ball with a mass of #4 kg # and velocity of #1 m/s# collides with a second ball with a mass of #6 kg# and velocity of #- 8 m/s#. If #10%# of the kinetic energy is lost, what are the final velocities of the balls?
- Are the velocity change of two respective objects involved in a collision always equal?
- A ball with a mass of #6# #kg # and velocity of #7# #ms^-1# collides with a second ball with a mass of #4# #kg# and velocity of #- 8# #ms^-1#. If #15%# of the kinetic energy is lost, what are the final velocities of the balls?
- A hockey player of mass 50kg runs at 20 m/s toward another player of 40kg, moving at -10 m/s. They collide. What are the final velocities of the players?
- A ball with a mass of #4 kg # and velocity of #3 m/s# collides with a second ball with a mass of #2 kg# and velocity of #- 1 m/s#. If #75%# of the kinetic energy is lost, what are the final velocities of the balls?
- A ball with a mass of #6 kg # and velocity of #5 m/s# collides with a second ball with a mass of #1 kg# and velocity of #- 7 m/s#. If #50%# of the kinetic energy is lost, what are the final velocities of the balls?