Podcast
Questions and Answers
An elastic collision is one in which the total kinetic energy of the system is the same before and after the collision.
An elastic collision is one in which the total kinetic energy of the system is the same before and after the collision.
True (A)
Inelastic collisions occur between atomic and subatomic particles.
Inelastic collisions occur between atomic and subatomic particles.
False (B)
Inelastic collisions can be perfectly silent.
Inelastic collisions can be perfectly silent.
False (B)
A perfectly inelastic collision is one in which the colliding objects stick together after the collision.
A perfectly inelastic collision is one in which the colliding objects stick together after the collision.
In an elastic collision, both the momentum and kinetic energy of the system are conserved.
In an elastic collision, both the momentum and kinetic energy of the system are conserved.
In a typical problem involving elastic collisions, there are two unknown quantities that can be solved simultaneously.
In a typical problem involving elastic collisions, there are two unknown quantities that can be solved simultaneously.
True or false: Collisions involve physical contact between two macroscopic objects.
True or false: Collisions involve physical contact between two macroscopic objects.
True or false: The term collision is only applicable to macroscopic objects.
True or false: The term collision is only applicable to macroscopic objects.
True or false: The impulsive forces during a collision can vary in time in complicated ways.
True or false: The impulsive forces during a collision can vary in time in complicated ways.
True or false: The impulsive forces during a collision are external to the system of two particles.
True or false: The impulsive forces during a collision are external to the system of two particles.
True or false: In any collision, the momentum of the system of two particles must be conserved.
True or false: In any collision, the momentum of the system of two particles must be conserved.
True or false: Inelastic collisions conserve the total kinetic energy of the system of particles.
True or false: Inelastic collisions conserve the total kinetic energy of the system of particles.
True or false: Equation 9.20 can be used in any collision situation involving two objects.
True or false: Equation 9.20 can be used in any collision situation involving two objects.
True or false: Equations 9.21 and 9.22 can be used to solve for the final velocities in terms of the initial velocities in an elastic collision.
True or false: Equations 9.21 and 9.22 can be used to solve for the final velocities in terms of the initial velocities in an elastic collision.
True or false: If two particles have equal masses, their final velocities will be equal after an elastic collision.
True or false: If two particles have equal masses, their final velocities will be equal after an elastic collision.
True or false: If a very heavy particle collides with a very light particle that is initially at rest, the heavy particle will continue its motion unaltered after the collision.
True or false: If a very heavy particle collides with a very light particle that is initially at rest, the heavy particle will continue its motion unaltered after the collision.
True or false: If particle 2 is initially at rest, then in Equations 9.21 and 9.22, v2i will be equal to 0.
True or false: If particle 2 is initially at rest, then in Equations 9.21 and 9.22, v2i will be equal to 0.
True or false: In a one-dimensional, elastic collision, the concept of conservation of momentum applies.
True or false: In a one-dimensional, elastic collision, the concept of conservation of momentum applies.
True or false: In a one-dimensional, elastic collision, the concept of conservation of kinetic energy applies.
True or false: In a one-dimensional, elastic collision, the concept of conservation of kinetic energy applies.
True or false: In a one-dimensional, elastic collision, the total momentum before the collision is equal to the total momentum after the collision.
True or false: In a one-dimensional, elastic collision, the total momentum before the collision is equal to the total momentum after the collision.
What is the term used to describe an event during which two particles come close to each other and interact by means of forces?
What is the term used to describe an event during which two particles come close to each other and interact by means of forces?
What type of collision is one in which the total kinetic energy of the system is conserved?
What type of collision is one in which the total kinetic energy of the system is conserved?
What type of collision is one in which the total kinetic energy of the system is not conserved?
What type of collision is one in which the total kinetic energy of the system is not conserved?
What is the term used to describe a collision in which the colliding objects stick together after the collision?
What is the term used to describe a collision in which the colliding objects stick together after the collision?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
What is the principle that states that the total kinetic energy of the system of particles may or may not be conserved, depending on the type of collision?
What is the principle that states that the total kinetic energy of the system of particles may or may not be conserved, depending on the type of collision?
How is Equation 9.18 obtained from Equation 9.17?
How is Equation 9.18 obtained from Equation 9.17?
What is the equation obtained by separating the terms containing m1 and m2 in Equation 9.16?
What is the equation obtained by separating the terms containing m1 and m2 in Equation 9.16?
What is the equation obtained by dividing Equation 9.18 by Equation 9.19?
What is the equation obtained by dividing Equation 9.18 by Equation 9.19?
What is Equation 9.20 used for?
What is Equation 9.20 used for?
Why is the pair of Equations 9.16 and 9.20 easier to handle than the pair of Equations 9.16 and 9.17?
Why is the pair of Equations 9.16 and 9.20 easier to handle than the pair of Equations 9.16 and 9.17?
What does Equation 9.20 state about the relative velocities of the two particles before and after the collision?
What does Equation 9.20 state about the relative velocities of the two particles before and after the collision?
What are the equations for the final velocities in terms of the initial velocities, mass 1, and mass 2?
What are the equations for the final velocities in terms of the initial velocities, mass 1, and mass 2?
What happens when particle 2 is initially at rest in an elastic collision?
What happens when particle 2 is initially at rest in an elastic collision?
What is an elastic collision?
What is an elastic collision?
What is a perfectly inelastic collision?
What is a perfectly inelastic collision?
What is the equation for the final velocity in a perfectly inelastic collision?
What is the equation for the final velocity in a perfectly inelastic collision?
What is an elastic collision?
What is an elastic collision?
What is the equation for the final velocities in an elastic collision?
What is the equation for the final velocities in an elastic collision?
What are the types of inelastic collisions?
What are the types of inelastic collisions?
Which one of the following statements is true about elastic collisions?
Which one of the following statements is true about elastic collisions?
What type of collision is one in which the total kinetic energy of the system is not conserved?
What type of collision is one in which the total kinetic energy of the system is not conserved?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
What is an elastic collision?
What is an elastic collision?
What is the term used to describe a collision in which the colliding objects stick together after the collision?
What is the term used to describe a collision in which the colliding objects stick together after the collision?
What is a perfectly inelastic collision?
What is a perfectly inelastic collision?
Which type of collision is one in which the total kinetic energy of the system is conserved?
Which type of collision is one in which the total kinetic energy of the system is conserved?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
True or false: In a one-dimensional, elastic collision, the concept of conservation of kinetic energy applies.
True or false: In a one-dimensional, elastic collision, the concept of conservation of kinetic energy applies.
What is an inelastic collision?
What is an inelastic collision?
What are the equations for the final velocities in terms of the initial velocities, mass 1, and mass 2?
What are the equations for the final velocities in terms of the initial velocities, mass 1, and mass 2?
True or false: The impulsive forces during a collision are external to the system of two particles.
True or false: The impulsive forces during a collision are external to the system of two particles.
Which equations can be used to solve problems dealing with elastic collisions?
Which equations can be used to solve problems dealing with elastic collisions?
In Equation 9.20, what does v1i and v2i represent?
In Equation 9.20, what does v1i and v2i represent?
If m1 = m2, what can be concluded about the final velocities of the particles in an elastic collision?
If m1 = m2, what can be concluded about the final velocities of the particles in an elastic collision?
What happens when particle 2 is initially at rest in an elastic collision?
What happens when particle 2 is initially at rest in an elastic collision?
What is the equation for the final velocity of particle 1 in a perfectly inelastic collision?
What is the equation for the final velocity of particle 1 in a perfectly inelastic collision?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
What is the principle that states that the momentum of the system of two particles must be conserved in any collision?
What is an inelastic collision?
What is an inelastic collision?
What is the term used to describe a collision in which the colliding objects stick together after the collision?
What is the term used to describe a collision in which the colliding objects stick together after the collision?
