You head downstream on a river in a canoe. You can paddle at 5.1 km/h and the river is flowing at 1.8 km/h. How far downstream will you be in 30 minutes?
Relative speed
5.1+1.8=6.9kmph
Kmph to m/s
6.9x1000/60x60=1.92m/s
Distance=velocityxtime
1.92x30x60=3456m or 3.456km
simply add the two speeds together and multiply by how many hours you traveled
if you need the answer in meters, multiply that answer by 1000
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Verified answer
Relative speed
5.1+1.8=6.9kmph
Kmph to m/s
6.9x1000/60x60=1.92m/s
Distance=velocityxtime
1.92x30x60=3456m or 3.456km
simply add the two speeds together and multiply by how many hours you traveled
if you need the answer in meters, multiply that answer by 1000