Rowing 1 mile up the river, while flow is 1 mile per hour downstream.
If your rowing speed is 1.1 mi/hr how long does it take and how far did you really row?
If your rowing speed is 2 mi/hr how long does it take and how far did you really row?
(Solution will follow shortly)
If your rowing speed is 1.1 mi/hr how long does it take and how far did you really row?
If your rowing speed is 2 mi/hr how long does it take and how far did you really row?
(Solution will follow shortly)
Answer:
1 mile relative to land
11 miles of rowing for 1.1 mi/hr
2 miles of rowing for 2 mi/hr
Calculation in next tweets.
Strong action saves time and effort.
1 mile relative to land
11 miles of rowing for 1.1 mi/hr
2 miles of rowing for 2 mi/hr
Calculation in next tweets.
Strong action saves time and effort.
Case 1: For Rowing speed 1.1 mi/hr
Speed relative to land is rowing speed relative to water plus water speed (which is negative = - 1 mi/hr)
Speed relative to land = 1.1 mi/hr - 1 mi/hr = 0.1 mi/hr.
Total time is 1 mile / (0.1 mi/hr) = 10 hr
..
Speed relative to land is rowing speed relative to water plus water speed (which is negative = - 1 mi/hr)
Speed relative to land = 1.1 mi/hr - 1 mi/hr = 0.1 mi/hr.
Total time is 1 mile / (0.1 mi/hr) = 10 hr
..
Total distance rowed (relative to water) is time * speed of rowing
Total distance rowed = 10 hr * 1.1 mi/hr = 11 miles
Total distance rowed = 10 hr * 1.1 mi/hr = 11 miles
Case 2: For Rowing speed 2 mi/hr
Speed relative to land is 2 mi/hr - 1 mi/hr = 1 mi/hr.
Total time is 1 mile / (1 mi/hr) = 1 hr
Total distance rowed (relative to water) is 1 hr * 2 mi/hr = 2 miles
Strong action saves time and effort.
Speed relative to land is 2 mi/hr - 1 mi/hr = 1 mi/hr.
Total time is 1 mile / (1 mi/hr) = 1 hr
Total distance rowed (relative to water) is 1 hr * 2 mi/hr = 2 miles
Strong action saves time and effort.
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