{"product_id":"miscellaneous-problems-in-mathematics-von-adambarage-charles-wimal-lalith-de-alwis","title":"Miscellaneous problems in mathematics","description":"\u003cp\u003eA 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(V¿u¿v).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 äu2¿V2 seconds.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786200548573\"\u003e\u003ch3\u003e\u003c\/h3\u003e\u003c\/div\u003e","brand":"Libri","offers":[{"title":"Softcover - 9786200548573","offer_id":39465202483293,"sku":"9786200548573","price":39.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/e7214af5-1521-48c3-ae4b-e5131c5ab047.jpg?v=1765263178","url":"https:\/\/shop.autorenwelt.de\/products\/miscellaneous-problems-in-mathematics-von-adambarage-charles-wimal-lalith-de-alwis","provider":"Autorenwelt Shop","version":"1.0","type":"link"}