Answer:
2.0 min
Explanation:
We are given that
Width of river,d=91.4 m
Time,t=2 min
Rate of flowing water of river=33.6/min
We have to find the time taken by girl to cross the river.
Speed of girl=[tex]v=\frac{distance}{time}=\frac{91.4}{2}=45.7m/min[/tex]
Time taken by girl=[tex]\frac{distance}{speed}[/tex]
Using the formula
Time taken by girl=[tex]\frac{91.4}{45.7}[/tex]
Time taken by girl=2.0 min
