Physics 101 help!!!

Physics
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A small turtle moves at a speed of 497 furlongs per fortnight. Find the speed of the turtle in centimeters per second. Note that 1 furlong = 220 yards and 1 fortnight = 14 days.

Jun 2nd, 2015

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Jun 2nd, 2015

1 inch = 2.54 cm (exactly) 
36 in = 36*2.54 cm = 91.44 cm 
1 yard = 36 in = 91.44 cm 
220 yds = 220*91.44 cm = 20116.8 cm 
1 furlong = 220*91.44 cm = 20116.8 cm 

1 fortnight = 14 days 
  = 14 days * 24 hr/day = 336 hr 
  = 336 hr * 3600 sec/hr 
  = 1209600 sec 

1 furlong/fortnight = 20116.8 cm / 1209600 sec 
497 furlongs/fortnight = (497 * 20116.8 / 1209600) cm/sec 
  ≈ 8.266 cm/sec

Jun 2nd, 2015

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