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May 3, 2016

Search: DOWNSTREAM

Number of results: 400

Math
JJ's boat will go 15 mph in still water. If he can go 12 mph downstream in the same amount of time it takes to go 9 mph upstream, what is the speed of the current?
March 25, 2012 by Sarah

physics
Traffic shock wave. An abrupt slowdown in concentrated traffic can travel as a pulse, termed a shock wave, along the line of cars, either downstream (in the traffic direction) or upstream, or it can be stationary. Figure 2-22 shows a uniformly spaced line of cars moving at ...
October 10, 2011 by turk

Math
A boat, which moves at 18 mph in still water, travels 14 miles downstream in the same amount of time it takes to travel 10 miles upstream. Find the speed of the current.
July 27, 2011 by Antione

Math
Austin is in his pedal boat. It takes him 1.5 hours to travel 12 miles downstream and 6 hours to return. What is the rate of the current? Please show me how to solve it as well, I really have no idea. Thanks.
March 10, 2013 by Catherine

Physics
A swimmer is heading straight for the other shore of a river with a velocity of vs=0.5 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.4 m/s. It takes her 20.6 s to get across. How far downstream does she end up?
January 27, 2015 by Chris

Texas History
If a legislator supported a measure letting factories be built on a river in her home district but then reversed his decision when he worried about pollution being sent downstream, which model of representation would he be following?
August 29, 2010 by Hector

alegrbra
A tugboat is going 100 miles upstream in 10 hours and returning downstream in 5 hours. What is the boats speed and the speed of the current?
August 26, 2012 by a tugboat is going 100 miles upstream in 10 hours and returning downstream in 5 hours. What is the s

physics
Water is flowing at 6 m/s in a circular pipe. If the diameter of the pipe decreases to five-seventh its former value, what is the velocity of the water downstream?
November 8, 2010 by David

Physics
A swimmer is heading straight for the other shore of a river with a velocity of vs=0.7 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.3 m/s. It takes her 20.3 s to get across. How far downstream does she end up? This is what I did ...
September 23, 2010 by Nicole

algebra
A boat on a river travels downstream between two points, 70 mi apart, in one hour. The return trip against the current takes 2 1 2 hours. What is the boat's speed (in still water)
November 9, 2012 by Anonymous

ALGEBRA
Jim paddles a canoe upstream at a rate o 3mi/hr. Traveling downstream, he travels at 8 mi/hr. What is his rate in still water and what is the rate of the current? PLEASE SHOW THE SOLUTION EQUATION
May 26, 2012 by chris

math
28 miles downstream in 2 hours 12 miles upstream in 3 hours what would the be speed in still water
September 24, 2012 by kyla

physics
The current of a river is 1.9 m/s. A person can swim 0.7 m/s. What is the best angle for the swimmer so that it is swept downstream the shortest distance possible? Distance of river is 120 m.
February 22, 2010 by matthew

Physics 11
A river has a current of 5 m/s. A boat tries to head directly across at 4 m/s. When the boat reaches the other side it is 30m downstream. How wide is the river ?
October 18, 2010 by Denny

physics 11
A river has a current of 5 m/s. A boat tries to head directly across at 4 m/s. When the boat reaches the other side it is 30m downstream. How wide is the river ?
October 19, 2010 by joshua

algebra
A speedboat moves at a rate of 21 km/hr in still water. How long will it take someone to ride the boat 60 km downstream if the river's current moves at a rate of 9 km/hr?
August 18, 2012 by nola

math
A speedboat moves at a rate of 21 km/hr in still water. How long will it take someone to ride the boat 60 km downstream if the river's current moves at a rate of 9 km/hr?
August 18, 2012 by nola

algebra1
Sam rows up a river to camp in three hours.The next day he makes the return trip downstream in one hour. If he can row two mph in still water, how fast is the current? i dont understand this?
January 18, 2013 by naomi

intermediate algebra
a motorboat moves 25 miles per hour in still water. it travels 21 miles upstream and 21 miles downstream in a total time of 2.0 hours. whatis the speed of the current?
October 6, 2013 by Ernie

physics
Water is flowing at 3 m/s in a circular pipe. If the diameter of the pipe decreases to four-ninth its former value, what is the velocity of the water downstream? Answer in units of m/s.
November 5, 2008 by Lines in the Sand122

maths
a steamer goes downstream in a river and covers the distance between upstream in 6 hours if the speed of the stream is 3 km/hr. firnd the speed of the steamer in still water.
May 24, 2011 by Abhishek

Math
a motorboat can go 24 miles downstream in the same amount of time that it takes to go 12 miles upstream. The boats speed in still water is 12 mph. What is the speed of the river? mi/hr?
April 5, 2012 by Nancy

Math 111
It takes a motorboat 1 1/3 hours to go 20 miles downstream and 2 2/9 hours to return.Find the rate of the current andthe rate of the boat in still water.
December 14, 2013 by Jeriah

elem algebra
the current in a stream moves at a speed of 10 mph. a boat travels 17 mi upstream and 17 mi downstream in a total time of 10 hr. What is the speed of the boat in still water?
April 19, 2014 by jan

math
A boat travels 23 mph relative to the riverbank while going downstream and only 11 mph returning upstream. What is the boat's speed in still water?
November 21, 2014 by gisela

algebra
A boy can row 18km. downstream and return a distance of 16 km/hr upstream in 5hrs. If the rate of the current is 6km/hr, What is the boy's rate of rowing in still water?
September 13, 2015 by dan

algebra
A boy can row 18km. downstream and return a distance of 16 km. upstream in 5hrs. If the rate of the current is 6km/hr, What is the boy's rate of rowing in still water?
September 13, 2015 by dan

swim
A swimmer is capable of swimming 1.00 m/s in still water. If she aims her body directly across a 150-m-wide river whose current is 0.80 m/s, how far downstream (from a point opposite her starting point) will she land?
January 26, 2010 by Anonymous

physics
A swimmer is capable of swimming 0.95 m/s in still water. (a) If she aims her body directly across a 150-m-wide river whose current is 0.65 m/s, how far downstream (from a point opposite her starting point) will she land?
September 20, 2012 by jeje

maths
The speed of a boat in still water is 8km/h. It travels upstream for a distance of 1.5km and returns(downstream) to the starting point. If the whole trip takes 2/5 hours, find the speed of the stream flow.
July 15, 2014 by yeung

Math
Jamie trains on his surfs every weekend. He paddles upstream for 3 1/2 hours, and then returns downstream to the point where he started in 2 hours and 6 minutes. If the river flows at 3 km/h find: a) his paddling speed in still water
January 4, 2016 by Anonymous

Math (urgent) hw due tommorow!
The speed of a stream is 3 km/h. A boat travels 25 km upstream in the same time it takes to travel 35 km downstream. What is the speed of the boat in still water?
August 30, 2010 by anj

Algebra
Manuel has a boat that can move at a speed of 30 kn/h in still water. He rides 280 km downstream in a river in the same time it takes to ride 70 km upstream. What is the speed of the river?
November 3, 2010 by Dusty

Physical Science
Trying to figure this out and can't: The elevation of a streambed is surveyed near a bridge to be 2,367m. At another bridge 12.2km downstream the elevation is 2,232m. What is the gradient of this stream?
April 21, 2012 by mel

math 0312
The current in a stream moves at a speed of 9 mph. A boat travels 17 mi upstream and 17 mi downstream in a total time of 13 hrs. What is the speed of the boat in still water?
May 4, 2015 by Sara

Math
3). Sam rows up a river to camp in three hours. The next day he makes the return trip downstream in one hour. If he can row two mph in still water, how fast is the current?(The question was not answered last time).
December 13, 2010 by Sherkyra8645

linear equations in two variable
A person going at a rate of 5 km/hr in still water,takes thrice as much time in going 40km upstream as in going downstream. Find the speed of the stream.
July 2, 2015 by pankaj khanna

college physics
A swimmer is heading straight for the other shore of a river with a velocity of vs=0.7 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.3 m/s. It takes her 20.3 s to get across. How far downstream does she end up? Can someone please ...
September 22, 2010 by kim

Algebra
The speed of the current in a stream is 4 mi/hr. It takes a canoeist 96 minutes longer to paddle 13 miles upstream than to paddle the same distance downstream. What is the canoeist's rate in still water?
September 14, 2014 by Ashton

Math
The speed of the current in a stream is 4 mi/hr. It takes a canoeist 96 minutes longer to paddle 13 miles upstream than to paddle the same distance downstream. What is the canoeist's rate in still water?
September 15, 2014 by Kyle

Intermediate Algebra
The speed of a boat in still water is 29mph. if the boat travels 140mph downstream in the same time that it takes to travel 92miles upstream, find the speed of the stream.
December 2, 2012 by Wanda

algebra
Chen's motorgoat took 3 hr to make a treip downstream with a 6-mph current. The return trip against the same current took 5 hr. Find the speed of the boat in still water.
November 14, 2015 by Anonymous

college physics
A swimmer is heading straight for the other shore of a river with a velocity of vs=0.7 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.3 m/s. It takes her 20.3 s to get across. How far downstream does she end up? Can someone please ...
September 20, 2010 by Kelly

Physics
A swimmer point directly to the North Shore of a 20.0 m wide river that has a current of 2.7 m/s [W]. If she can swim at 1.3 m/s in water; A. Draw an appropriate diagram for the question B. How long does it take her to cross? C. How far downstream does she land? D. What is her...
March 21, 2016 by Ceara

Uniform Motion
A certain fish requires 3 hrs to swim 15km downstream. The return trip upstream takes 5 hrs. What is the speed of the fish still in water? How fast is the current of the stream?
November 24, 2014 by Gela

Algebra
Boat travels 10 mi upstream and 10 mi downstream the stream is moving 1mph and the boat took 5 1/3hrs. What is the speed of boat if the stream still?
October 28, 2010 by Teresa

science
a boat is traveling with a velocity of 5 km/hr upstream. The river is flowing at a velocity of 2km/hr downstream. What is the velocity of the boat compared to the riverbank? ►
January 28, 2011 by john

math
A tugboat can go 10 miles upstream in the same time as it can go 15 miles downstream. If the tugboat goes 12 miles per hour in still water, what is the speed of the current?
October 27, 2010 by Dave

Algebra
Briana can row 4 miles per hour is still water. It takes as long to row 8 miles upstream as 24 miles downstream. How fast is the current?
January 14, 2014 by Urgent

Math
A speed boat travels at a rate of 20 km per hour in still water. It travels 55 km upstream the same time it travels 90 km downstream. What is the rate of current?
September 15, 2015 by Sylvia

College Chemisty
The pH of water collected in a stormwater run-off downstream from a Union Carbide chemical factory is 4.82. Calculate the H+ ion concentration of rainwater. The problem may start with: pH= -log H+ = 4.82. The answer is 1.5x10 power -5. Again, Can you please show steps for maths.
October 22, 2010 by Elleni

Math
Boat travels 10 mi upstream and 10 mi downstream the stream is moving 1mph and the boat took 5 1/3hrs. What is the speed of boat if the stream still? I need help ASAP!!!! PLEASE!!!
October 28, 2010 by Teresa

Physics
if the water in the river moves downstream at 4mi/hr heading the boat straight across the river, what direction will the boat move relative to the shore? i dont want the answer... i want someone to explain. i wanna learn
October 16, 2013 by Carlos

Math
Steve's boat will go 14 miles per hour in still water. If he can go 13 miles downstream in the same amount of time as it takes to go 10 miles upstream, then what is the speed of the current? (Please round your answer to one decimal place.)
July 24, 2012 by Josh

physics
Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is 2 m/s due east, and the river moves at 4 m/s. How far downstream in m from his starting point will he reach the other side?
June 22, 2013 by raja harishchandra

physics
Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is 2 m/s due east, and the river moves at 4 m/s. How far downstream in m from his starting point will he reach the other side?
June 22, 2013 by raja harishchandra

MATH 12U
Mary leaves a dock paddling her canoe at 3m/s. She heads downstreamat an angle of 30 degrees to the current which is flowing at 4 m/s. a) How far downstream does Mary travel in 10s? b) What is the length of time required to cross the river ifits width is 150 m?
February 24, 2011 by Kevinn

math
A boat traveling downstream a distance of 39 miles then came right back.If the speed of the current was 12 mph and the total trip took 4 hours 20 minutes,find the average speed of the boat relative to the water.
February 1, 2014 by russ

PHYSICS!!!
A boat moves at 7.00m/s relative to the water. (You can neglect relativity at these slow speeds.) The boat travels 100 m downstream and then 100 m upstream, returning to its original point. Find the time for the round trip
April 3, 2014 by Amy

physics
a crew member is walking on a tugboat that is pulling a barge. the tugboat is moving at a constant speed upstream in a river that has a constant downstream current. In the situation above, what is at rest relative to the tugboat?
February 2, 2014 by judy

algebra
A boat travel 4 miles upstream with a current of 5 miles per hour. It takes 40 mminutes longer to go upstream. How fast does the boat go downstream
June 1, 2008 by Kim

algebra
a boat goes 16 Km upstream and 24 Km downstream in 6hrs.it can go 12Km upstream and 36 Km in same time.find the speed of boat in still water and speed of the stream
September 5, 2010 by sara

algebra
a boat goes 16 Km upstream and 24 Km downstream in 6hrs.it can go 12Km upstream and 36 Km in same time.find the speed of boat in still water and speed of the stream
September 5, 2010 by sara

Math Word Problem
Steve's boat will go 14 miles per hour in still water. If he can go 13 miles downstream in the same amount of time as it takes to go 10 miles upstream, then what is the speed of the current? (Please round your answer to one decimal place.)
July 24, 2012 by Lisa L

math
what kind of question is this? Rowing 5 times the speed of current, jacob's team can travel 24 km downstream and at the sametime 16 km upstream. What is jacob's team rate and the rate of the water?
September 9, 2007 by ryan

UnKnown
Traveling upstream on the Mississippi River, a barge travels 56 mi in 7h. Downstream, it travels the same distance in 4h. Find the rate of the barge in still water and the rate of the current.
August 17, 2008 by Taylor

algebra
the current in a stream moves at a speed of 2 mph. A boat travels 8mi upstream and 8mi downstream in a total time of 7 hr. What is the speed of the boat in still water
March 22, 2011 by Anonymous

math
The speed of a stream is 6 mph. If a boat travels 52 miles downstream in the same time that it takes to travel 26 miles upstream, what is the speed of the boat in still water?
July 22, 2012 by john

math
A boat takes 90 minutes less to travel 36 km downstream then to travel the same distance upstream.If the speed of the boat in still water is 10 kmph.What is the speed of the current?
June 21, 2014 by sangita

algbra
a paddle boat can move at a speed of 14 km/h in still water. the boat is paddled 16 km downstream in a river in the same time it takes to go 8km upstream. what is the speed of the river?
October 31, 2014 by Anonymous

Math
A tour boat on a river traveled 40 miles downstream in 4 hours. The return trip against the current took 5 hours. What was the rate of the current? A. 2.0 MPH B. 1.5 MPH
February 3, 2015 by Tia

Algebra
You travel with a boat 90 km downstream with the current in 6 hours and back upstream in 10 hours. Find the speed of the stream and the speed of the boat in still water, assuming that the motion is uniform.
December 7, 2015 by Bob

math app
A salmon can swim 20 feet/sec downstream in a river. The salmon swims upstream at a rate of 6 feet/sec. Find the speed of the current. How do I set up the equation?
December 16, 2015 by Alex

math
it took 3 hours for patrol boat to travel 48km upstream and 2 hours to travel downstream. What is the current and boat speed.
October 2, 2010 by alex

algebra
The time it takes you to go 12 miles upstream is 5/4 the time it takes you to go 14 miles downstream. If the current is 3mph, how fast do you go in still water.
February 25, 2012 by Devin

algebra
In a canoe race, a team paddles downstream 480 m. in 60 s. The same team travels up stream in 80 s. Find the team's rate in still water and the rate of the current. Please show how the equation is set up to solve
May 26, 2012 by chris

physics 11
A swimmer swims perpendicular to the bank of a 20.0 m wide river at a velocity of 1.3 m/s. Suppose the river has a current of 2.7 m/s [W]. (a) How long does it take the swimmer to reach the other shore? (b) How far downstream does the swimmer land from his intended location?
October 20, 2015 by eric

math
A man can row 4 kilometers per hour in still water. When the river is flooded, he found out that it requires 6 1/2 hours to row upstream, a distance requiring 3 1/2 hours to row downstream. What is the rate of the current?
January 15, 2016 by Kaneki

Math
Toni rows a boat 4.5 km/h upstream and then turns around and rows 5.5 km/h back downstream to her starting point. If her total rowing time is 48 min, for how long does she row upstream? you can express your answer to the nearest minute. I don't understand how you solve it.
January 17, 2009 by Angie

Intermediate Algebra
I am rowing on a river between two cities that are 19 miles apart. When going downstream, I make the journey in .76 hour(s). When I return upstream, it takes me 2.11 hour(s). What is the current of the river? what is the speed I would row in still water?
March 8, 2016 by Jaunice

Algebra
Cody’s motorboat took 3 hr to make a trip downstream with a 6-mph current. The return trip against the same current took 5 hr. Find the speed of the boat in still water
February 22, 2011 by Joel

math
The speed of a river current is 4 mph. IF a boat travels 20 miles downstream in the same time that it takes to travel 10 miles upstream, find the speed of the boat in still water.
April 15, 2016 by takeeyah

Algebra
A riverboat cruise line has a boat that can travel 76 mi downstream in the same time that it takes to travel 52 mi upstream. The speed of the current in the river is 1.5 mph. Find the speed of the boat in still water.
March 7, 2011 by Paula

math 116
A Coast-Guard patrol boat travels 4 hr on a trip downstream with a 6-mph current. The return trip against the same current takes 5 hr. Find the speed of the boat in still water
March 3, 2009 by Meshelle

Algebra
A boy can row a boat at a constant rate of 5 mi/hr in still water. He rows upstream for 19 minutes and then rows downstream, returning to his starting point in another 13 minutes. What is the rate of the current? What is the total distance traveled?
September 12, 2011 by Kaley

physics
Hey thanks for the help: I have another question: A swimmer is capable of swimming 0.30 m/s in still water. (a) If she aims her body directly across a 75 m-wide river whose current is 0.55 m/s, how far downstream (from a point opposite her starting point) will she land? (b) ...
October 6, 2008 by H.Pales

projectile motion
You have a boat with a motor that propels it at vboat = 4.5 m/s relative to the water. You point it directly across the river and find that when you reach the other side, you have traveled a total distance of 27 m (indicated by the dotted line in the diagram) and wound up 14 m...
November 14, 2010 by leila

Algebra
The current of a river moves at 3 miles per hour. It takes a boat 3 hours to travel 12 miles upstream, against the current, and return the same distance traveling downstream, with the current. What is the boats rate in still water?
February 23, 2015 by Ann

algebra/ word problem
Justin paddles his kayak 6 miles upstream in 1,5 hours. he turns around and paddles downstream, the same distance, in only 1 hour. What is the rate in still water and what is the rate of the water's current
January 9, 2013 by lulu

Math! Algebra 1!
A boat is traveling in a river with a current that has a speed of 1.5 km/h. In one hour, the boat can travel twice the distance downstream as it can travel upstream. How long will it take the boat to travel 100 km in still water?
November 10, 2014 by Dede

algebra
how do I solve this and show the work: a motorboat went upstream at 15 miles per hour and returned downstream at 20 miles per hour. How far did the boat travel one way if the round trip took 3.5 hours?
May 29, 2013 by jessica

Algebra
I am having a hard time with this question. A boat went 15 miles downstream in 1 hour and then returned upstream to its dock in 5/3 hours. if the current of the stream was constant, find the speed of the boat in still water and the speed of the current
October 27, 2015 by Marina

math
a man can row a bangka at a rate of 5 km/h in still water. It takes 10 minutes longer to row upstream a distance of 2km than he takes to row downstream. What is the rate of the current?
November 25, 2013 by alice

algebra
joe is planning a 5 hour canoe trip. he can paddle 4 miles per hour in still water and the current is 3 miles per hour. how far downstream can he go?
December 15, 2014 by jp

math
1.)The difference of two natural number is 6, and the diffrence of their reciprocals is 1/36. Find the two numbers. 2.)In a river, ben found out that he could go 16miles downstream and then 4miles back upstream in a total of 48mins. What was the speed of Ben's boat if the ...
October 10, 2015 by Ange Ords

Math
A boat travels 45 miles upstream in 5h. The boat travels the same distance downstream in 3hr. What is the rate of the boat in still water? What is the rate of the current? (thank you)
March 15, 2012 by Analica

science
I have to design a sustainable city with a river running through it. Would I put both my water treatment plant and seweage plant on the river. Water up and sewer plant downstream?
November 12, 2007 by mike

A boat is traveling in a river with a current that has a speed of 1.5 km/h. In one hour, the boat can travel twice the distance downstream as it can travel upstream. What is the boat's speed in still water?
December 4, 2012 by Alex

physics
A swimmer can swim in still water at a speed of 9.47 m/s. He intends to swim directly across a river that has a downstream current of 4.24 m/s. a) How many degrees from straight across the river should he head? Let upstream be a positive angle. Answer in units of ◦
October 21, 2014 by a

Physics
Diane rows a boat at 8.3 m/s directly across a river that flows at 5.6 m/s. (a) What is the resultant speed of the boat? m/s (b) If the stream is 250 m wide, how long will it take Diane to row across? s (c) How far downstream will Diane be
October 4, 2011 by Eddie

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