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If Tina swims 4 miles upstream at 1 mph and back downstream to the same point at 4 mph what is her average speed?
Her average speed is 1.6 miles per hour. Average speed is total distance covered by total time taken to do it. She swims 4 miles upstream, and at 1 mph, it takes 4 hours. She comes back downstream at 4 mph and so she covers the 4 miles in 1 hour. Her total mileage is 8 miles. It takes 4 + 1 hours or 5 hours to cover it. The 8 miles divided by 5 hours is 1 3/5 miles per hour, or 1.6 mph for an average speed.
Digital technology that provides an upstream speed that is typically less than downstream speed?
adsl
It takes a motor boat 3 hours to make a downstream trip with a current of 7 miles per hour the return trip against the same current took 5 hours find the speed of the boat in still water?
Since the distance downstream (with the current) equals the distance upstream (against the current), and if we: Let B stand for the speed (rate in mph) of the boat in still water, and using the formula rate X time = distance, the equation will be: (B+7) x 3 = (B-7) x 5 3B + 21 = 5B - 35 56 = 2B B = 28 mph Traveling downstream, the current will cause the boat to go faster so the 7 mph current is added to the boat's still water speed. Traveling upsteam the current slows or decreases the boat's rate so the current's speed is subtracted from the boat's still water speed.
How many hours is 166 miles?
The time it takes to travel 166 miles depends on the speed at which you are traveling. If you are driving at a constant speed of 55 miles per hour, it would take approximately 3 hours to cover 166 miles (166 miles / 55 miles per hour = 3 hours). If you are traveling at a different speed, you can calculate the time by dividing the distance by the speed at which you are traveling.
If a train travels 725 miles in 5.5 hours what is it's speed?
39 miles
If the current flows at 2 mph and it takes me 3 hrs. to row 9 miles upstream how long will it take for me to return?
To find how long it will take to return downstream, first determine the effective speed while rowing upstream. The current speed is 2 mph, so your effective speed upstream is your rowing speed minus the current. If it takes 3 hours to row 9 miles upstream, your rowing speed is 5 mph (since 9 miles / 3 hours = 3 mph, and 3 mph + 2 mph = 5 mph). While returning downstream, your effective speed will be 5 mph + 2 mph = 7 mph. Thus, it will take 9 miles / 7 mph = approximately 1.29 hours, or about 1 hour and 17 minutes, to return downstream.
If Tina swims 4 miles upstream at 1 mph and back downstream to the same point at 4 mph what is her average speed?
Her average speed is 1.6 miles per hour. Average speed is total distance covered by total time taken to do it. She swims 4 miles upstream, and at 1 mph, it takes 4 hours. She comes back downstream at 4 mph and so she covers the 4 miles in 1 hour. Her total mileage is 8 miles. It takes 4 + 1 hours or 5 hours to cover it. The 8 miles divided by 5 hours is 1 3/5 miles per hour, or 1.6 mph for an average speed.
A boat on the Missouri river took 2 hours to go 48 miles downstream. The boat took 3 hours to return the same distance upstream. Find the rate of the boat in still water and the rate of the current.?
Boats speed = 24 miles per hour.Current speed = 4 miles per hour.
A boat goes 16km upstream and 24 km downstream in 6 hours it covers 12km upstream and 36 km downstreamfind speed of the boat and stream?
2.2 Type your answer here...
If Tina swims 4 miles upstream at 1 mph and back downstream to the same point at 4 miles per hour what is her average speed?
2 Miles An Hour.
Digital technology that provides an upstream speed that is typically less than downstream speed?
adsl
What would happen to a boat that was moving upstream at the same speed as the current moving downstream?
If the boat is moving upstream at the same speed as the current moving downstream, the boat will appear to be stationary relative to an observer on the shore. This is because the boat's upstream motion is being cancelled out by the downstream motion of the current.
If a motorboat can go 8 miles downstream on a river in 20 mins if the return 8 miles upstream takes 30 minutes what is the speed of the current?
The current is approximately 4 mph.
What does downstream mean on router?
Incoming rate or speed. As in download as opposed to upload or upstream.
If Tina swims 4 miles upstream at 1 mph and back downstream to the same point to the same point at 4 mph what is her average speed?
8 MPH
What is the difference between DSL and ADSL?
ADSL is simply a version or 'flavour' of DSL. The 'a' refers to asymmetric, meaning 'not the same'. Hence, ADSL usually has different downstream and upstream rates (e.g. 1536/256 is a common speed of ADSL available in Australia, where downstream the link speed is 1536kbps and upstream is 256kbps).
A river has a current of 4 mph find the speed of simons boat in still water if it goes 40 miles downstream in the same time as 24 miles upstream?
Let s = unknown speed in still water in units of miles per hour. The downstream speed will then be s + 4 and the upstream speed s - 4. In an equal time t in units of hours, t(s+4) = 40 and t(s-4) = 24. Multiplying out the parenthetical expressions yields ts + 4t = 40 and ts - 4t = 24. Subtracting the second of these equations from the first gives 8t = 16, or t = 2 hours. Therefore, ts +4t = 40, by substituting 2 for t becomes: 2s + 8 = 40, or 2s = 40 - 8 = 32, or s = 16 miles per hour.
