Chapter 6
Collisions
Choose the body or interacting system, the positive direction and the collision interval before writing a momentum equation.
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Impulse and a change of momentum
Interpret signed force-time area, a rebound and the effect of contact time on average force.
Choose a system for momentum conservation
Assess external impulse, calculate a sticking collision and compare sensor and cart measurements.
Elastic and inelastic outcomes
Use the elastic relative-speed condition and compare kinetic-energy changes for the same initial carts.