| Daniel Adams - 1828 - 264 páginas
...5 hours., 86. In a river, supposing two boats start at the same time from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same ; if both be propelled by a steam engine, which... | |
| Daniel Adams - 1828 - 264 páginas
...eveiy 5 hours. 86. In a river, supposing two boats start at the same time from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same ; if both be propelled by a steam engine, which... | |
| Daniel Adams - 1830 - 264 páginas
...5 hours. . 86. In a river, supposing two boats start at the same time from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same ; if both be propelled by a steam engine, which... | |
| Daniel Adams - 1830 - 264 páginas
...every 5 hours. 86. In a river, supposing two boats start at the same time from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same; if both be propelled by a steam engine, which... | |
| Daniel Adams - 1831 - 264 páginas
...eveiy 5 hours. 86. In a river, supposing two boats start at the same time from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same ; if both he propelled by a steam engine, which... | |
| Ira Wanzer - 1831 - 396 páginas
...prisoners. 60. In a river, supposing two boats start at the same time from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same; if both be propelled by a steam engine, which... | |
| Samuel Read Hall - 1832 - 288 páginas
...$0.a3-)-. 33. Supposing two boats start on a river at the same time, from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same ; if both be propelled by a steam engine which... | |
| Daniel Adams - 1833 - 264 páginas
...eveiy 5 hours. 86. In a river, supposing two boats start at the same time from places 300 miles apart ; **the one proceeding up stream is retarded by the current 2 miles per hour,** while that moving down stream is accelerated the same ; if both be propelled by a steam engine, which... | |
| Frederick Emerson - 1834 - 288 páginas
...The hour and minute hands of a watch are together at 12 o'clock; when are they next together ? 29. **Suppose two steamboats to start at the same time from...other moving down stream is accelerated the same.** If each is propelled by a steam engine, that would move it 8 miles an hour in still water, how far... | |
| Frederick Emerson - 1839 - 288 páginas
...The hour and minute hands of a watch are together at 12 o'clock; when are they next together ? 29. **Suppose two steamboats to start at the same time from...other moving down stream is accelerated the same.** If each is propelled by a steam engine, would move it 8 miles an hour in still water, how far froi.... | |
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