 | Alfred Wrigley - 1845 - 222 páginas
...N. 34° E., and after the ship had sailed due south for 3 miles, the same lighthouse bore N. 23° E. Find the distance of the lighthouse from each position of the ship. 222. Two objects, A and B, were observed from a ship to be at the same instant in a line with a bearing... | |
 | War office - 1858 - 578 páginas
...north-westerly direction for 3J miles, the bearing of the lighthouse was observed to be S. 16° W., find the distance of the lighthouse from each position of the ship. 5. A body slides down a smooth inclined plane of given length, find the velocity at any point of its... | |
 | Alfred Wrigley - 1862 - 330 páginas
...N. 34° E., and after the ship had sailed due south for 3 miles, the same lighthouse bore N. 23° E. Find the distance of the lighthouse from each position of the ship. 25. Two objects, A and B, were observed from a ship to be at the same instant in a line with a bearing... | |
 | Samuel H. Winter - 1864 - 348 páginas
...must be taken from each to make a mixture which shall contain 5 gallons of water and 1 1 of wine ? 11. A lighthouse was observed by a ship at sea to bear...of the lighthouse from each position of the ship. 12. An object 10 ft. high is placed on the top of a tower, and subtends an angle of 6° at a place... | |
 | Samuel H. Winter - 1867 - 468 páginas
...after the ship had sailed 4 miles SE., the bearing of the lighthouse was observed to be N. 15° E. Find the distance of the lighthouse from each position of the ship. ir, -P ,,. sin 45° -sin 30° sec 45°— tan 45° , 10. Prove that - - : — ,:7^= - ; and tan - -... | |
 | Webster Wells - 1887 - 158 páginas
...observed to bear ;Ю° west of north, and at 12.1;") PM, it is observed to bear 15° east of north. Find the distance of the lighthouse from each position of the ship. 6. Wishing to find the distance of an inaccessible object A from a position B, l measure a line BC,... | |
 | Webster Wells - 1887 - 200 páginas
...observed to bear .'50° west of north, and at 12.15 PM, it is observed to bear 15° east of north. Find the distance of the lighthouse from each position of the ship. 6. Wishing to find the distance of an inaccessible object A from a position B, I measure a line BC,... | |
 | John Maximilian Dyer - 1891 - 306 páginas
...direction of walking makes with С D, and show that it is a right angle if а e = v4a4 — &4). (19) A lighthouse was observed by a ship at sea to bear SE ; after the ship had sailed NE for six miles the lighthouse was seen to bear 27° 30' E. of S. ; find the distance of the lighthouse at... | |
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Find the distance of the lighthouse from each position of the ship. 