A man can ride a boat in calm water with u ms-1 continuous velocity. A dog can swim in calm water v ms-1 continuous velocity. The man and dog both stay on the same bank of a straight river on points A, B respectively which is flowing with V ms-1 continuous velocity of width a meters. The length of AB is d meters. AB is in the direction of V(Vuv).The man ride the boat across the river such that he can reach the point C which is situated directly opposite to the point A. Show that, the time taken by him to move from A to C is given by a√u2-V2 seconds.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.