0
B = boatspeed
C = current speed
6 (B-C) = 558
8 (B+C) = 1,016
Eliminate parentheses:
6B - 6C = 558
8B + 8C = 1,016
Divide both sides of the first equation by 6.
Divide both sides of the second equation by 8.
B - C = 93
B + C = 127
Add the equations:
2B = 220
B = 110 kph
Subtract the equations:
-2C = -34
C = 17 kph
The current is rather speedy, and the boat even speedier ... 68.3 mph in still water ! ! !
Suspicious vis a vis the real world, but the math is bullet-proof.
What else can I help you with?
What is the greatest velocity that a boat on a river can attain if the boat's motor moves at 10 km per hr and the river's current is 8 km per hr?
Boat WRT land, downstream 10 + 8 = 18 KMH Boat WRT land, upstream 10 - 8 = 2 KMH Boat WRT water 10 KMH
What is the velocity of the boat if it travels upstream?
The Answers community requested more information for this question. Please edit your question to include more context.
What travels at 2398 feet per second?
Anything that travels 1,635 miles per hour.
Dean travel 12 miles to get to work.Lisa travels 9 miles less Pam travels those as far as Lisa to get to work.How many miles does Pam travels to get to work?
27
What is the speed of a rocket that travels 9000 meters in 30 seconds?
what is the speed of a rocket that travels 9000 meters in 12.12 seconds
What is the rate of the current if Jim's motorboat travels downstream at the rate of 15km per hour and going upstream it travels at 7km per hour?
The current flows at 4 kph.The boat motors at 11 kph.
What is the greatest velocity that a boat on a river can attain if the boat's motor moves at 10 km per hr and the river's current is 8 km per hr?
Boat WRT land, downstream 10 + 8 = 18 KMH Boat WRT land, upstream 10 - 8 = 2 KMH Boat WRT water 10 KMH
A badge moves 8km per hour in still water it travels 6km upstream and 6 km downstream in a total time of 2 hours what is the speed of the current?
The speed upstream is B - C where B is the speed of the badge in still water and C is speed of the current The speed downstream is B + C. Velocity = Distance/Time : therefore Time = Distance/Velocity. Time for upstream journey = 6/(B - C) Time for downstream journey = 6/(B + C) BUT Total time for journey = 2 = 6/(B - C) + 6/(B + C) = 12B/(B2 - C2) Therefore 2B2 - 2C2 = 12B : However, B = 8kph so substituting gives, 128 - 2C2 = 96 : 2C2 = 32 : C2 = 16 : C = 4 The speed of the current is 4kph.
What directions do koi fish swim?
Anything with a face should be looking inward and almost never outwards, and with Koi, they ALWAYS go upstream and never downstream.
Does a river travel upstream or down?
By definition all rivers run downstream, with the possible exception of tidal effects where the river meets the sea (as the tide comes in, in some places the water may run "backward" up the river for a usually short distance).
A boat moves at a speed of 15 kmh in still water. The river it is traveling in flows at a rate of 3 kmh downstream. What is the velocity of the boat if it travels downstream What is the velocity of th?
If the boat is moving downstream, you add the speed of the boat with the speed of the river flow. Therefore, the velocity of the boat downstream is 18 km/h. If the boat is moving upstream, you subtract the river flow speed from the boat's speed, so in this case, it would be 12 km/h.
A boat travels 80 feet across a river. The current then pushes the boat downstream 39 feet. How far is the boat from its starting point?
89 ft
What occurs when data travels from the carriers switching facility to the customer?
upstream
If a boat travels upstream against a 3 mph current and travels 5 hours and the return trip takes 2.5 hours what is the speed of the boat?
Suppose the speed of the boat is x mph. Then upstream, it travels 5 hours at x-3 mph and so covers 5x - 15 miles. When going downstream the boat covers the same distance, at x+3 mph, in 2.5 hours so (5x-15)/(x+3) = 2.5 Multiply through by 2*(x+3): 2*(5x-15) = 5*(x+3) 10x - 30 = 5x + 15 or 5x = 45 giving x = 9 mph.
Occurs when data travels from the customer to the carriers switching facility?
Downstream
To get to his parents house John must travel at a speed of 60 mph on land and then use a motorboat that travels at a speed of 20 mph in still water John goes by land to a dock and then travels on a?
To get to his parents house John must travel at a speed of 60 mph on land and then use a motorboat that travels at a speed of 20 mph in still water John goes by land to a dock and then travels 138 miles.
A boat travels 20 kms upstream in 6 hrs and 18 kms?
7/12 kmph
