Keshaw Classes

Kirchhoff’s first law, ie, ∑I = 0 at a junction, deals with the conservation of
(a) Angular momentum
(b) Linear momentum
(c) Energy
(d) Charge

A river is flowing from west to east at a speed of 5 m/ min. A man on the south bank of the river, capable of swimming at 10 m/ min in still water, to swim across the river in the shortest time. He should swim in a direction ? visit http://www.keshawclasses.com/