Q4.34Multiple choice
A river is flowing due east with a speed 3m/s. A swimmer can swim in still water at a speed of 4 m/s (Fig. 4.8).
This question refers to a figure in the original PDF.
- (a)If swimmer starts swimming due north, what will be his resultant velocity (magnitude and direction)?
- (b)If he wants to start from point A on south bank and 3m/s reach opposite point B on north bank, (a) which direction should he swim? (b) what will be his resultant speed? A
- (c)From two different cases as mentioned in (a) and (b) above, in which case will he reach opposite bank in shorter time? Fig. 4.8