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| - | Instructor Notes For 2nd Day of Cratering Lab | ||
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| - | ====== High energy impactor ====== | ||
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| - | * Each group drops ball from 2nd and 3rd floor into sand on 1st floor. | ||
| - | * Students measure heights of their drops. | ||
| - | * TA responsible for safety. | ||
| - | * One group at a time doing drop, others remain on 1st floor. | ||
| - | * Droppers do not hold ball over rail until area within 3ft of sand container is clear and all students on 1st floor are paying attention. | ||
| - | * TA keeps an eye out for other traffic in hallway. | ||
| - | * Clean up sand around the area afterwards. | ||
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| - | <WRAP center round alert 60%> | ||
| - | There is a potential for serious injury if someone is struck by the steel ball. | ||
| - | </ | ||
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| - | ====== Model testing and prediction ====== | ||
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