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Speed

11 bytes added, 12:29, 12 February 2019
Example Calculations
{| class="wikitable"
| style="height:20px; width:300px; text-align:center;" |'''A [[horse]] takes 20 28 [[minute]]s to trot 23.4 6 [[kilometre]]s. Calculate the speed of the [[horse]] in [[Metres per second|metres per second]].'''
| style="height:20px; width:300px; text-align:center;" |'''The International Space Station takes 92 [[minute]]s to orbit the Earth once travelling 42,000 [[kilometre]]s. Calculate the speed of the ISS.'''
|-
| style="height:20px; width:300px; text-align:left;" |
distance = 23.46[[km]] = 24003600[[m]]
time = 2028[[min]] = 12001680[[s]]
<math>Speed = {\frac{distance}{time}} </math>
<math>Speed = {\frac{24003600}{1200}1680} </math>
<math>Speed = 2m2.142857m/s </math> <math>s \approx 2.1m/s
| style="height:20px; width:300px; text-align:left;" |
distance = 42,000[[km]] = 42,000,000[[m]]
time = 20[[min]] 92min = 5400[[s]]5520s
<math>Speed = {\frac{distance}{time}} </math>
<math>Speed = {\frac{42000000}{5400}5520} </math>
<math>Speed = 7608.7m/s </math>