River is flowing with a velocity vector 4R =4i m/. A boat is moving with a volocity of |vB| =√(4)2 +(2)2 =2√5 m/ relative to river. The width of the river is 100 m along y-direction. Choose the correct alternative(*).
(a) The boatman will cross the river in 25 *.
(b) Absolute velocity of boat man is 2√5 m/*.
(c) Drift of the boatman along current is 50 m
(d) The boatman can never cross the river.
