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| 183_notes:examples:videoswk5 [2016/08/14 00:29] – created waterso8 | 183_notes:examples:videoswk5 [2016/08/14 22:52] (current) – waterso8 | ||
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| === Video ==== | === Video ==== | ||
| + | Part 1: | ||
| + | Two rocks are floating off in space. You've observed that the first rock has a mass of 3000 kg and an initial velocity of 20 m/s. The second rock has a mass of 1000 kg and no initial velocity. The two rocks collide; rock one hits rock two, leaving rock one with a velocity of 10 m/s. | ||
| + | |||
| + | a) What is rock two's final velocity? | ||
| {{youtube> | {{youtube> | ||
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| + | Part 2: | ||
| + | |||
| + | In a different collision, the two rocks have the same initial parameters, but when they collide, they attach and move off together in the same direction. | ||
| + | b) What is the final velocity of the attached rocks? | ||
| {{youtube> | {{youtube> | ||