Day 121: Efficiency


Today (really last Friday) was the last day before spring break, so instead of moving into problem solving with Momentum per ‘the schedule,’ I decided that we could flesh out the difference between elastic and inelastic collisions via their mechanical energy efficiency. Students tested a variety of collisions and found that with our carts, magnet to magnet collisions had the best efficiency at around 85-90%. More data below.




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