26.04.2021, admin
Speed of boat in still water =15 km/hr Let x be speed of the stream in km/hr Speed of the boat upstream =15?x Speed of the boat down stream =15+x Time taken for upstream T 1 = 15?x
The Speed Of The Boat Upstream 720p 30 Time taken for downstream T 2 = 15+x 30 Given, T 1 +T 2 = 2 9 = 15?x 30 + 15+x 30 = 2 9 =30(15?x 1 + 15+x 1)= 2 9 =30((15?x)(15+x) 15+x?15?x)= 2 9 = ?x 2 30?30 = 2 9 = ?x 2. Dec 11, �� The speed of boat downstream is equal to the sum of the speed of the boat in still water and speed of the stream. The speed of boat upstream is equal to the difference of the speed of the boat in still water and speed of the myboat353 boatplans: Speed Downstream = . The speed of a boat in still water is 10 mph. If it travels on a river 6 miles downstream in the same amount of time it takes to travel 3 miles upstream, what is the speed of the current? 2. The speed of a boat in still water is 8 mph.
A boat travelled upstream a distance of 90 miles at an average speed of (v-3) miles per hour and then travelled downstream at an average speed of (V+3) miles per hour. If the trip upstream took half an hour longer than the trip downstream, how many hours did it take the boat to travel downstream? A) b) C) D) e) Thus, if speed of boat in undisturbed water is s and the speed of river is r, then the relative speed while moving upstream will be s - r. Same logic holds good when an aircraft flies against headwinds or a swimmer swims against the current in a river or a person climbs on an escalator moving in opposite direction.� The speed of the stream is given in miles per hour and the distances covered in equal time is 5 and 13 miles respectively. The speed is then obviously the difference between the two passages and that is 13 miles in T and 5 miles in T. The speed of the boat is added to by 4 downstream and 4 is deducted upstream. 13 - 4 = 9. Likewise, 5 + 4 = 9. T is then 1 hour. Calculating is another proposition. Speed Upstream = 7 km/hr. Recommended: Please try your approach on {IDE} first, before moving on to the solution. Approach: The direction along the stream is called downstream and the direction opposite the stream is called upstream. So in case of downstream the speeds will be added, while in case of upstream the speeds will be subtracted. The speed of boat downstream is equal to the sum of the speed of the boat in still water and speed of the stream. The speed
The Speed Of The Boat Upstream Version of boat upstream is equal to the difference of the speed of the boat in still water and speed of the myboat353 boatplans: Speed Downstr.
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