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| 183_notes:energy_cons [2021/05/25 15:53] – [The Total Energy of a System Can Change] stumptyl | 183_notes:energy_cons [2021/05/25 15:53] (current) – [Multi-particle Systems] stumptyl | ||
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| ==== Multi-particle Systems ==== | ==== Multi-particle Systems ==== | ||
| - | [{{ 183_notes:system_puzzle.png? | + | [{{ 183_notes:earth_7.png? |
| Consider a ball initially at rest that begins to fall towards the Earth. | Consider a ball initially at rest that begins to fall towards the Earth. | ||