Question

Q1)in the figure shown a river of width 4 km is flowing with the speed of 5km/hr. A swimmer whose swimming speed relative to the water is 4km/h starts swimming from a point A on a bank. On the other bank B
is a point which is directly opposite to A What minimum distance (in km) the swimmer will have to walk on the other bank to
reach the point B.
B) 3
(A) 2
(D) 5
C) 4
Q2)river is flowing with the velocity of 2V3 m/s. A boat has to
move from A 10 B. Calculate the minimum velocity of boat in still water
A)3 m/s
B) 2 m/s
(C) 3root2
D)4 m/s​

Answer 1

Q1)in the figure shown a river of width 4 km is flowing with the speed of 5km/hr. A swimmer whose swimming speed relative to the water is 4km/h starts swimming from a point A on a bank. On the other bank B

is a point which is directly opposite to A What minimum distance (in km) the swimmer will have to walk on the other bank to

reach the point B.

B) 3

(A) 2

(D) 5✔️✔️✔️

C) 4

Q2)river is flowing with the velocity of 2V3 m/s. A boat has to

move from A 10 B. Calculate the minimum velocity of boat in still water

A)3 m/s

B) 2 m/s

(C) 3root2✔️✔️✔️

D)4 m/s