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27 Nov 2019
A river of width 30 m flows in a straight line (the x direction)with a speed of 0.23 m/s. A boat is rowed such that it travelsdirectly across the river (along y). If the boat takes exactly 4.0minutes to cross the river, what is the speed of the boat relativeto the water?
____________m/s
An airplane has a velocity relative to the air of 189 m/s in awesterly direction. If the wind has a speed relative to the groundof 53 m/s directed to the north, what is the speed of the planerelative to the ground?
_________m/s
A river of width 30 m flows in a straight line (the x direction)with a speed of 0.23 m/s. A boat is rowed such that it travelsdirectly across the river (along y). If the boat takes exactly 4.0minutes to cross the river, what is the speed of the boat relativeto the water?
____________m/s
An airplane has a velocity relative to the air of 189 m/s in awesterly direction. If the wind has a speed relative to the groundof 53 m/s directed to the north, what is the speed of the planerelative to the ground?
_________m/s
Nelly StrackeLv2
18 Aug 2019
