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What is linear momentum?
Measure of an object's motion, combining mass and velocity. \(\vec{p} = m\vec{v}\)
What is the formula for linear momentum?
\(\vec{p} = m\vec{v}\) where \(\vec{p}\) is momentum (kg⋅m/s), \(m\) is mass (kg), and \(\vec{v}\) is velocity (m/s).
What are the SI units for linear momentum?
kilogram-meters per second (kg⋅m/s)
Define an elastic collision.
A collision where both momentum and kinetic energy are conserved.
Define an inelastic collision.
A collision where momentum is conserved, but kinetic energy is not. Some energy is lost to heat, sound, etc.
What are the differences between elastic and inelastic collisions?
Elastic: Kinetic energy is conserved, objects bounce off each other. Inelastic: Kinetic energy is not conserved, objects may stick together.
Compare and contrast momentum and impulse.
Momentum: A measure of an object's motion (mass x velocity). Impulse: Change in momentum, equal to force x time.
What are the differences between elastic and inelastic collisions?
Elastic Collisions: Kinetic energy is conserved, objects bounce off each other. | Inelastic Collisions: Kinetic energy is not conserved, objects may stick together.
Compare momentum and impulse.
Momentum: Measure of an object's motion (mass x velocity). | Impulse: Change in momentum (force x time).