Dynamics for BeginnersMacmillan, 1887 - 178 páginas |
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Página 29
... ton = 2240 lbs . ] 24. A train of 100 tons attains from rest a velocity of 40 miles per hour in going I mile ; the breaks are then applied and the train comes to rest in 440 yds . Compare the retarding force exerted by the breaks with ...
... ton = 2240 lbs . ] 24. A train of 100 tons attains from rest a velocity of 40 miles per hour in going I mile ; the breaks are then applied and the train comes to rest in 440 yds . Compare the retarding force exerted by the breaks with ...
Página 30
... ton [ 2240 lbs . ] acted on by ƒ poundals go from rest in seconds ? 3. How many poundals are required to produce g celos in k tons ? 4. 1000 poundals acts upon a train of k tons on a horizontal plane ; the friction of the rails etc. is ...
... ton [ 2240 lbs . ] acted on by ƒ poundals go from rest in seconds ? 3. How many poundals are required to produce g celos in k tons ? 4. 1000 poundals acts upon a train of k tons on a horizontal plane ; the friction of the rails etc. is ...
Página 31
... tons going 30 miles an hour . 120 tons = 120 X 20 X 112 lbs . 30 miles an hour = 44 velos . Therefore , the mass - velocity of the train is 120 X 20 X 112 × 44 pound - velos , that is 11,827,200 pound - velos . Example ii . Find the ...
... tons going 30 miles an hour . 120 tons = 120 X 20 X 112 lbs . 30 miles an hour = 44 velos . Therefore , the mass - velocity of the train is 120 X 20 X 112 × 44 pound - velos , that is 11,827,200 pound - velos . Example ii . Find the ...
Página 32
... tons going at the rate of 30 miles an hour . 4. A bullet of 1 ounce going 1000 ft . per second . 5. A cannon ball of 1 cwt . going 1000 yds . per second . 6. A man of 12 stone running 12 miles an hour . [ a stone = 14 lbs . ] Find the ...
... tons going at the rate of 30 miles an hour . 4. A bullet of 1 ounce going 1000 ft . per second . 5. A cannon ball of 1 cwt . going 1000 yds . per second . 6. A man of 12 stone running 12 miles an hour . [ a stone = 14 lbs . ] Find the ...
Página 33
... tons a force of 10000 poundals more than is necessary to counteract the friction ; how long would this engine take ... ton is moving in a straight line with a velocity of 10 miles per hour ; 3 minutes later it is observed to be moving in ...
... tons a force of 10000 poundals more than is necessary to counteract the friction ; how long would this engine take ... ton is moving in a straight line with a velocity of 10 miles per hour ; 3 minutes later it is observed to be moving in ...
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acceleration acting action additional angle applied Assistant-Master Author ball beginning BOOK Cambridge celos circle College constant Crown 8vo describes direction distance draw Edition elastic ELEMENTARY energy engine English equal EXAMINATION Example Extra fcap fall feet Fellow fixed foot-poundals force force acting friction given Globe 8vo going gravity Greek Hence HISTORY horizontal horizontal plane Illustrations impact impinges impulse inclined increasing initial instant interval Introduction JOHN LATIN Lecturer length light LL.D London Maps mass Master Mathematics measure miles an hour motion moving Notes opposite Oxford particle passes placed plane position poundals preparation produces Professor projected prove Question represent respectively rest resultant revised School seconds secs Series shew smooth speed sphere starting stone straight line string supposing tension tons train Translated TREATISE Trinity College uniform uniformly unit University velocity velos vertical weight yards
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