Dynamics for BeginnersMacmillan, 1887 - 178 σελίδες |
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Σελίδα 29
... ton = 2240 lbs . ] 40 24. A train of 100 tons attains from rest a velocity of 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 . ] 40 24. A train of 100 tons attains from rest a velocity of 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 ...
Σελίδα 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 ...
Σελίδα 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 ...
Σελίδα 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 ...
Σελίδα 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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Συχνά εμφανιζόμενοι όροι και φράσεις
20 velos 32 celos 32 poundals A. W. VERRALL action of gravity additional velocity Assistant-Master Atwood's machine average velocity ball BEGINNERS BOOK Cambridge carriage circle coefficient of restitution Crown 8vo direction distance passed elastic engine English Example external force Extra fcap feet Fellow of St Fellow of Trinity find the velocity foot-poundals force acting friction Globe 8vo GRAMMAR Greek Hence horizontal plane impinges impulse inclined plane initial velocity instant J. P. MAHAFFY John's College kinetic energy late Fellow LATIN Lecturer LL.D mass m lbs mass-velocity Mathematics miles an hour miles per hour motion number of celos numerous Illustrations Owens College Oxford parabola parallelogram particle pound-velos poundals acting PRIMER Professor projectile prove resultant right angles School Second Edition secs Series shew smooth horizontal plane stone straight line string supposing tension tons train TRIGONOMETRY Trinity College uniform velocity uniformly unit interval University vertical Vocabulary weight yards
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