A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is: A. 4 mph: B. 2 mph: C. mph: D. 3 mph. Practice Problems. Problem 1: The speed of a boat in still water is 10 miles per hours. If it can travel 26 miles downstream and 14
Upstream Downstream Boat Problems Ed miles upstream in the same time, find the speed of the current. Solution: Let "x" be the speed of the current Speed downstream = (10 + x) mph. Speed upstream = (10 - x) mph The formula to find the time. Thanks for A2A. First you need to understand the question and the data that is available. Most of the question deals with single boat and it's downstream and/or upstream journey. The formulas are very simple to understand. Let's say Vb is boat's.
In the stream boat problems, a boat goes upstream or downstream. You will have to answer the questions about the speed of the boat and the speed of the river. Here we will see many such examples and try to get as familiar with these concepts as possible. Let us start with the visualization of the downstream problems and try to develop formulae. These formulae will help us establish a method that will accurately and swiftly solve these problems. Suggested Videos. Area of Triangles. Coin Toss. VST Permutations and Combinations Problem 1 and its Solution. Downstream. In the river-boat problems, w. Problem 1. A canoe traveled Downstream with the current and went a distance of 15 miles in three hours. On the return trip, the canoe traveled Upstream against the current. It took 5 hours to make the return trip. Find the rate of the current. myboat058 boatplans Solution. Let u = the canoe speed in still water (the speed relative to water), in mph. v = the speed of the current.� Renee rows a boat downstream for 27 miles. The return trip upstream took 24 hours longer. If the current flows at 4 mph, how fast does Renee row in still water?. Problem Statement. If a man travel's by his motor boat down a river to his office and back. With the speed of the river unchanged, if he doubles the speed of the boat, then his total travel time gets reduced by 75%. The ratio of the original speed fo the boat to speed of the river is? Strategy. The boat problem usually has 3 components to it. speed of the river. Sr. speed of the boat. Sb. time to cover the distance (one way/round trip). Downstream speed would be. S down = S b + S r. And upstream speed would be. S up = S b - S r. The time taken to complete the round trip would be. T = D S.
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