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3 cards from this section. Quick, good the night before a test.
What is the formula for linear momentum?
Think about what you multiply together to find momentum.
What happens to momentum in an isolated system?
Consider what it means for a system to be isolated.
What is the total momentum of a system of particles if no external forces act?
Remember the law of conservation of momentum.
True or False: Momentum of a single particle can change when an external force acts on it.
Consider the effect of forces acting on motion.
A 5 kg cart moving at 10 m/s collides inelastically with a 3 kg cart at rest. Calculate the final velocity after the collision.
Remember to conserve momentum through the whole system during the collision.
Two ice hockey pucks collide on a frictionless rink. Puck A (0.5 kg, moving at 2 m/s) collides elastically with puck B (0.3 kg, at rest). What are their velocities after collision?
Use both conservation of momentum and kinetic energy formulas to solve.
6 more questions in this section. Enroll free to practise them all.
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