# UPSTREAM

383 results

### UPSTREAM

THIS EXURSION WITH A BOAT TRAVEL 35KM UPSTREAM AND THEN BACK AGAIN IN 4 H 48 MINUTRE. iF THE SPEED OF THE BOAT I5 K,/H, WHAT IS THE SPEED OF THE CURRENT? Let v be the speed of the current. The boat's speed upstream (relative to the land) is 15-v and the speed downstream is 15+...

### motion problem

Ric can row upstream against a current at 6kph in 10 hrs while it will take him only 4 hrs going back. how far does he go upstream? (w/ solution pls... tnx)

### 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

### 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

### 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

### 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.

### math

need help. Young salmon hatch in freshwater steams and then migrate downstream to the ocean at the rate of 70 miles in 8 hours. there they live until they reach spawning age. then they return upstream to fresh water to spawn and usually die soon after. on the upstream trip, ...

### physics

Sheena can row a boat at 2.90 mi/h in still water. She needs to cross a river that is 1.22 mi wide with a current flowing at 1.55 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream. (a) What is her speed with respect ...

### physics

Sheena can row a boat at 3.13 mi/h in still water. She needs to cross a river that is 1.10 mi wide with a current flowing at 1.75 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream. (a) What is her speed with respect ...

### 7th Grade Math

Toni rows a boat 4.5km/h upstream and then turns around and rows 5.5km/h back to her starting point. If her total rowing time is 48 min , for how long does she row upstream?

### Math

Dayle is paddling his canoe upstream, against the current, to a fishing spot 10 miles always. If he paddles upstream for 2.5 hours and his return trip takes 1.25 hours, find the speed of the current, and his still water????????

### PHYSICS

Sheena can row a boat at 2.91 mi/h in still water. She needs to cross a river that is 1.24 mi wide with a current flowing at 1.54 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream. (a) What is her speed with respect ...

### algebra

36 Upstream, downstream. Junior’s boat will go 15 miles per hour in still water. If he can go 12 miles downstream in the same amount of time as it takes to go 9 miles upstream, then what is the speed of the current?

### MATH!!!!!!!

The river boat paddled upstream at 12km/h, stopped for 2 h of sightseeing, and paddled back at 18km/h. How far upstream did the boat travel if the total time for the trip, including the stop, was 7h? Please help me, the answer is 36 km but i have no idea how to set it up

### PHYSICS

Sheena can row a boat at 2.91 mi/h in still water. She needs to cross a river that is 1.24 mi wide with a current flowing at 1.54 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream. (a) What is her speed with respect ...

### algebra

Show a complete solution. Upstream, downstream. Junior’s boat will go 15 miles per hour in still water. If he can go 12 miles downstream in the same amount of time as it takes to go 9 miles upstream, then what is the speed of the current?

### maths

A boat goes 12 km upstream and 40 km downstream in 8 hours. It can go 16 km upstream and 32 km downstream is the same time. Find the speed of the boat in still water and the speed of the stream.

### Algebra

When Neil was 2 miles upstream from camp on a canoe trip, he passed a log floating downstream with the current. He paddled upstream for 1 more hour and then returned to camp just as the log arrived. What was the rate of the current?

### math

a boat goes 12km upstream and 40km down stream in 8 hour it go 16km upstream and 39km down stream in same time find the speed of boat in the still water and in the stream

### Physics

Salmon often jump upstream through waterfalls to reach their breeding grounds. One salmon came across a waterfall 1.30 m in height, which she jumped in 1.3 s at an angle of 72° to continue upstream. What was the initial speed of her jump? (Assume the launch angle is measured ...

### Math

Steve can kayak at 8 km/h in still water. On the river, Steve and the kayak travel slower upstream due to the current. It takes him 1.5 h for a trip downstream, but 3.25 h for the same distance upstream. Determine the speed of the river’s current.

### Physics

A boat must cross a 260-m-wide river and arrive at a point 110 upstream from where it starts. To do so, the pilot must head the boat at a 45 degree upstream angle. THe current has speed 2.3 m/s. a) What is the speed of the boat in still water? b) How much time does the journey...

### Math

A boat, whose speed in still water is 2.80m/s , must cross a 280m wide river and arrive at a point 120m upstream from where it starts. To do so, the pilot must head the boat at a 45.0 degrees upstream angle. What is the speed of the river's current?

### math

A boat travels 8km upstream and back in 2 hours. If the current flows at a constant speed of 3km/h, Find the speed of the boat in still water.(when the boat goes upstream, it speed reduces by 3km/h, and when going downstream, its speed increases by 3 km/h)

### maths

A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours it goes 40 km upstream and 55 km downstream. Determine the speed of the stream and that of boat in still water

### grade 7 math

Uniform Motion Related Problem Port A is 25 km downriver from port B. At noon a tugboat leaves port B and travels upstream at 15 kph. At 3 p.m. a hyrodrofoil leaves Port A travelling upstream at 50 kph. At what time will the hydrofoil pass the tugboat?

### Maths

A river flows at 3km/h. At what speed must a boat travel in order to make a 35km trip upstream in a time of 50 minutes? How long will it take the boat to make the return trip downstream? (Assume the boat retains the speed travelled upstream) Working out please

### physics

A river flows with a uniform velocity v. A person in a motorboat travels 1.11km upstream, at which time she passes a log floating by. Always with the same throttle setting, the boater continues to travel upstream for another 58.8min and then returns downstream to her starting ...

### Physics

A river flows with a uniform velocity v. A person in a motorboat travels 1.21km upstream, at which time she passes a log floating by. Always with the same throttle setting, the boater continues to travel upstream for another 52.6min and then returns downstream to her starting ...

### Math

Lisa rowed her boat for two miles downstream. The trip took her 20 minutes. She then turned around and rowed back the two miles. It took her one hour to row back upstream. a. At what rate of speed did Lisa row downstream? b. At what rate of speed did Lisa row upstream? c. ...

### college-Physics

Two canoeists in identical canoes exert the same effort paddling and hence maintain the same speed relative to the water. One paddles directly upstream (and moves upstream), whereas the other paddles directly downstream. With downstream as the positive direction, an observer ...

### Physics

Two canoeists in identical canoes exert the same effort paddling and hence maintain the same speed relative to the water. One paddles directly upstream (and moves upstream), whereas the other paddles directly downstream. With downstream as the positive direction, an observer ...

### physics

Two canoeists in identical canoes exert the same effort paddling and hence maintain the same speed relative to the water. One paddles directly upstream (and moves upstream), whereas the other paddles directly downstream. With downstream as the positive direction, an observer ...

### Math

Lisa rowed her boat for two miles downstream. The trip took her 20 minutes. She then turned around and rowed back the two miles. It took her one hour to row back upstream. a. At what rate of speed did Lisa row downstream? b. At what rate of speed did Lisa row upstream? c. ...

### Please help

Lisa rowed her boat for two miles downstream. The trip took her 20 minutes. She then turned around and rowed back the two miles. It took her one hour to row back upstream. a. At what rate of speed did Lisa row downstream? b. At what rate of speed did Lisa row upstream? c. ...

### Math

Lisa rowed her boat for two miles downstream. The trip took her 20 minutes. She then turned around and rowed back the two miles. It took her one hour to row back upstream. a. At what rate of speed did Lisa row downstream? b. At what rate of speed did Lisa row upstream? c. ...

### physics

You are riding on a jet ski directed at an angle upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 8.0 m/s at an angle of 30.5° upstream, what is the speed of the jet ski relative to the water? I thought I should just use ...

### Physics

You are riding on a jet ski directed at an angle upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 8.2 m/s at an angle of 25.0° upstream, what is the speed of the jet ski relative to the water?

### Algebra 2

A boat has a 10 gallon gasoline tank and travels at 20mi/hr with a fuel consumption of 16mi/gal when operated at full throttle in still water. The boat is moving upstream into a 5mi/hr current. How far upstream can the boat travel and return on 10 gallons of gasolineif it is ...

### Physics

You are riding on a Jet Ski at an angle of 35¢ª upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 9.5 m/s at an angle of 20.0¢ª upstream, what is the speed of the Jet Ski relative to the water? (Note: angles are measured ...

### Physics

You are riding on a jet ski directed at an angle upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 8.9 m/s at an angle of 26.0° upstream, what is the speed of the jet ski relative to the water? (Note: Angles are measured relative ...

### math

a boat travels 10 miles upstream in 4 hours. the boat travels the same distance downstream in 2 hours. Determine the rate of boat in still water and the rate of the current? Downstream speed = b(still water) + c(current) Upstream speed = b - c upstream rate = 10/4 miles/hr ...

### algebra 2

the barge travels upstream 75.5 miles to the factory and then back to the warehouse.the barge travels upstream at a rate of 5 miles per hour slower than it travels downstream.the barge total time is 15 hours.what is the rate the barge travels downstream

### physics

You want to swim straight across a river that is 76m wide. You find that you can do this if you swim 28 degrees upstream at a constant rate of 1.7m/s relative to water. At what rate does the river flow? The angle is measure from the river bank (directly upstream is 0 degrees ...

### algebra 2

Kate can row a boat 10 miles per hour in still water. in a river where the current is 5 miler per hour, it take her 4 hour longer to row a given distance upstream than to travel the same distance downstream. Find how long it takes her to row upstream, how long to row ...

### physics

A fisherman sets out upstream from Metaline Falls on the Pend Oreille River in northwestern Washington State. His small boat, powered by an outboard motor, travels at a constant speed v in still water. The water flows at a lower constant speed vw. He has traveled upstream for ...

### physics

A fisherman sets out upstream from Metaline Falls on the Pend Oreille River in northwestern Washington State. His small boat, powered by an outboard motor, travels at a constant speed v in still water. The water flows at a lower constant speed vw. He has traveled upstream for ...

### Physics

A boat moves through the water of a river at 5 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.3 m/s, how long does it take the boat to make a round trip consisting of a 215 m displacement downstream followed by a 215 m ...

### Physics

A boat moves through the water of a river at 5 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.3 m/s, how long does it take the boat to make a round trip consisting of a 215 m displacement downstream followed by a 215 m ...

### Algebra II

I've been working on this one and I just can't figure it out. I appreciate all the help: Two miles upstream from his starting point, a canoeist passed a log floating in the river's current. After paddling upstream for one more hour, he paddled back and reached his starting ...

### Algebra 2

how would you solve: the current in the river flowed at 3 mph. The boat could travel 24 mph downstream in half the time it took to travel 12 mi upstream. what was the speed of the boat in still water? please help. The time required to go any distance upstream a distance L is L...

### algebra

could you please show me how to do this problem? Bob rows 6 miles downstream in 1 hr, joe rows 6 miles upstream in 2 hr. joe rows 1 mile per hour faster. a. what is each of their speed, bob 6/1=6mph joe 6 + 1 = 7mph is this right?? b. what is the current speed?? downstream R...

### Economics

A large firm has two divisions: an upstream division that is a monopoly supplier of an input whose only market is the downstream division that produces the final output. To produce one unit the final output, the downstream division requires one unit of the input. If the ...

### Algebra. Please help(:

The time required for a trip 108 miles downstream on a steamer is 3 hours less than the time required for the upstream trip. A boat whose rate is 6 miles per hour less than that of the steamer required 9 hours more for the upstream trip than for the downstream trip. Find the ...

### Algebra

The time required for a trip 108 miles downstream on a steamer is 3 hours less than the time required for the upstream trip. A boat whose rate is 6 miles per hour less than that of the steamer required 9 hours more for the upstream trip than for the downstream trip. Find the ...

### Physics

Two canoeists in identical canoes exert the same effort paddling and hence maintain the same speed relative to the water. One paddles directly upstream (and moves upstream), whereas the other paddles directly downstream. With downstream as the positive direction, an observer ...

### word problem

A motor boat took 4 hours to make a downstream trip with a current of 3mph. The return trip against the same current took 8 hours. Find the speed of the boat in still water. Call Y the boat's rate. distance = rate x time. downstream rate of boat is Y+3. t=4 hrs. upstream rate ...

### Algebra 2

It is a beautiful spring day so you decide to go rowing upstream on your favorite river. You row at a constant rate of 1 mile per hour. Suddenly a gust of wind blows your hat off into the water. You watch it float away downstream but since you never really liked it that much, ...

### english

eaping upstream, we fished most of the day for salmon. At the age of ten, my family took a trip to Washington, D.C. Skimming every chapter, the biology textbook made more sense. I need help with Dangling modifiers. We fished most of the day for salmon that were leaping ...

### physics

You are riding on a jet ski at an angle upstream on a river flowing with a speed of 2.8 m/s. Suppose the jet ski is moving at a speed of 18 m/s relative to the water. (a) At what angle must you point the jet ski if your velocity relative to the ground is to be perpendicular to...

### English

Leaping upstream, we fished most of the day salmon. Avoid dangling

### Science

A boat is sailing 42 km/hr upstream on a river that is moving at 16 km/hr downstream. What is the velocity of the sailboat.....can you show me the formula too...not understanding this

### Thermodynamics

In a multiple-device flow system, I want to determine a state property. Where should I look for information, upstream or downstream?

### physics

a motorboat travels 25.0 km/h in still water. what will be the magnitude and direction of the velocity of the boat if it is directed upstream on a river that flows at the rate of 4.00 km/h?

### college math

boat travels 160 miles downstream in the same time that it takes to go 96 upstream. the pead of the stream is 6 mph. what is the speed of still water

### Algebra

A kayaker paddles upstream for 1.5 hours then turns his kayak around and returns to his tent in 1 hour. He travels 3 miles each way. What is the rate of the rivers current?

### math

The speed of a boat in still water is 8 km/h. It travels 60 km upstream and 60 km downstream in a total time of 16 hours. What is the speed of the stream?

### Algebra

The speed of a boat in still water is 20 mph. It travels 24 mi upstream and 24 mi downstream in a total time of 10 hr. what is the speed if the current?

### physics

A river has a steady speed of 0.470 m/s. A student swims upstream a distance of 1.00 km and swims back to the starting point

### physics

A boat, whose speed is 1.75 m/s must aim upstream at an angle of 26.3 degrees ( with respect to a line perpendicular to the shore) in order to travel directly across the stream?

### how do i set up this problem?

A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream

### math

Solve the problem. A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream.

### math

a boat travels 4 km upstream and 4 km back. the time for the round trip is 9 hrs. the speed of the stream is 2 km/hr. What is the speed of the boaty in still water?

### math

a kayak travels 15/h in still water and if the current flows at a rate a 3km/h how long will it take for the kayak to travel 30km upstream

### maths

A motor boat goes downstream twice as fast as upstream. Find the power speed of the boat if the water flows at 6km/h.

### Math

A river flows at the rate of 2 mph. If a motorboat can travel 12 miles upstream and return in a total of 2.5 hours, what is the speed of the motorboat in still water?

### math

You travel upstream for 3 hours. The return trip takes only 2.5 hours because you are traveling 2 mph faster. Determone the boats speed up river.

### Physics - urgent, please help

In its final trip upstream to its spawning territory, a slamon jumps to the top of a waterfall 1.9m high. What is the minimum vertical velocity needed by the salmon at the end of this motion?

### world geography

in forming the great lakes, glaciers: _a. melted in upstream rivers and streams. _b. forced the earh's crust upward _c. carved basins out of bedrock _d. froze the topsoil

### algebra

tana rode a boat 1 km upstream in and hour. rowing at the same rate, she made the return trip downstream in 15 minutes. find the rate of the current

### Algebra 2

The speed of the current is 5m/h. Angie goes upstream 25 miles and returns to the doc. The whole trip takes 12 hours. What is the speed of the boat in still water?

### math

A river has a current of 4 mph. Find the speed of Simon’s boat in still water if it goes 40 miles downstream in the same time as 24 miles upstream.

### Please help

A motorboat can travel upsteam on a river at 18km/h and downsteam at 30km/h. How far upstream can the boat travel if it leaves at 8:00am and must return by noon?

### MAth

John can travel 8 miles upstream in the same time it takes him to go 12 miles downstream. His boat goes 15 mph in still water. What is the rate of the current/

### math help please

Solve the problem. A boat can go 33 mph in still water. It takes as long to go 300 miles upstream as it does to go downstream 360 miles. How fast is the current?

### maths

22. A motor boat whose speed is 18 km/h in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot. Find the speed of the stream

### Math

Victoria has a boat that can move at a speed of 20km/h in still water. She rides 140km downstream in the same time it takes 35km upstream. What is the speed of the river?

### math

A kayak moves at a rate of 12 mph in still water. If the rivers current flows at a rate of 5mph how long does it take the boat to travel 23 miles upstream?

### math (algerba 1)

A motorboat can travel upstream on a river at 18km/h and downstream at 30km/h. How far upsteam can the boat travel if it leaves at 8am and must return by noon?

### math (algerba 1)

A motorboat can travel upsteam on a river at 18km/h and downsteam at 30km/h. How far upstream can the boat travel if it leaves at 8:00am and must return by noon?

### math

a motorboat takes 5 hours to travel 45km downstream and then 18 km upstream on a river whose current flow of the rate of 3 km/hr. how fast can the boat travel in still water?

### Algebra

The speed of the current is 4kph. A boat travels 6km upstream in the same time it takes to travel 10km downstream. What is the spees of the boat in still water?

### Algebra

The speed of the current is 4kph. A boat travels 6km upstream in the same time it takes to travel 10km downstream. What is the spees of the boat in still water?

### 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?

### physics

A boat is ravelling in a river with a current of 3 km/hr. The boat is capable of travelling at 10 km/hr in still water. How long will it take the boat to travel 7km upstream

### 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 ...

### 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.

### MaTh

Debbie traveled by boat 5miles upstream to fish in her favourite spot> Because of the 4-mph current, it took her 20 minutes longer to get there than to return. How fast will her boat go in still water ???? Please help !!!!!!!!!!!!!!

### 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?