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‘42., , 43. Ahe stream of a river is flowing w, , , , , , , , , (d) 1125., U.E.E. Main 2019), , oe ere ae oa, . asia. (et Py X-axis with a uniform velocity, sadaeiey 20 wis. 8. Particle B moves with uniform, io. long a direction making an angle of, , € positive direction of X-axis as shown in, , the figure. Th i, 7. - ; e relative velocity of B with respect to, , e, S, , a, , 0°, A 10ms!, (a) 10 m/s along X-axis, (3) 10./3 m/s along Y-axis (perpendicular to X-axis), (c) 10/5 along the bisection of the velocities of A and B, (ad) 30 m/s along negative X-axis. (W.B.J.E.E. 2015), , Xx, , ith a speed of, , 2, km/h. A swimmer can swim at a speed of 4 km/h., What should be the direction of the swimmer with, respect to the flow of the river to cross the river, , straight, (a) 60° (b) 90°, (c) 150° (d) 120°., : ().E.E. Main 2019), a swimmer in still water ‘5 20 ms™!. The, water is 10 ms7! and is flowing due east., on the south bank and wishes to Foss, the shortest path, the angle at which, his strokes w-t-' north is given by, (b) 0°, (d) 45°., , 44, The speed of, speed of river, If he is standing, the river along, , _ should make, , 30° wes, , (NEET 2019)