gracejudge16 gracejudge16
  • 10-09-2017
  • Physics
contestada

A bird can fly 25 km/h. How long does it take to fly 3.5 km?

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meerkat18
meerkat18 meerkat18
  • 20-09-2017
The parameter 25 km/h represents the speed or velocity, while the parameter 3.5 km is the distance. Using the dimensional analysis approach, in order to determine time, the km unit should cancel out so that we are left with the 'hour' unit. The solution is as follows:

3.5 km * 1 h/25 km = 0.14 hours
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