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The speed of a freight train is 14 km slower than the speed of a passenger train The freight train travels 330 km in the same time that it takes the passenger train to travel 400 km Find the speed of?
Wiki User
∙ 15y ago
It probalary should be around 224 MPH.. or 386 km. _______________________________________________________ whoa, way too fast. It's an algebra problem. Three equations Vp x time = 400km Vf x time = 330km Vp=Vf+14 km/hr and three unknowns (the time, and speed of each type of train). I used substituion, targeting an equation with only time. Long story short it solved to 5 hours (which makes sense after I did all that work and figured out that the additional 70km would take a train that is 14km faster...five hours to cover). Knowing the freight train can go 330km in 5 hrs (eq #2), it's speed is 330/5 or 66km/hr.knowing passenger train can go 440km in five hours (eq 1), it's speed is 400/5 or 80km/hr. ...and those speeds are 14km/hr apart, so we know we're good.
Wiki User
∙ 15y ago
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How far is 9000 light years?
900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.
What is the average speed of a freight train?
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The speed of a freight train is 14 km hr slower than the speed of a passenger train The freight train travels 330 km in the same time that it takes the passenger train to travel 400 km Find the speed?
66 & 80 kph respectively
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Yes, light travels slower in water than in air.
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Richard Fulton with "Fulton's Folly"
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The stiffer meduim- travels quicker The denser the medium-travels slower
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Does light travel faster underwater than in air?
As compared to what? Compared to air, or to a vacuum, light travels quite a bit slower in water.As compared to what? Compared to air, or to a vacuum, light travels quite a bit slower in water.As compared to what? Compared to air, or to a vacuum, light travels quite a bit slower in water.As compared to what? Compared to air, or to a vacuum, light travels quite a bit slower in water.
The speed of a passenger train is 16mph faster than the speed of a freight train The passenger train travels 250miles in the same time it takes the freight train to travel 170 miles find the speed o?
Passenger train speed + 50 mph Freight train speed = 34mph V(passenger) = V(freight) + 16mph Vp x Time = 250mi. Vf x Time = 170mi. therefore... a. [Vf + 16] x T = 250 b. Vf x T = 170 Subtract b. from a. 16T = 80 Time = 5 hours Vp = 250/5 = 50 mph Vf = 170/5 = 34 mph
A freight train travels 1 mile in 45 seconds At this rate how many miles will the train travel in 1 hour?
36miles
Does light travel faster in diamond or water?
Light travels slower through denser media, so it travels faster through water than through a diamond.
Why does light travel slower in solids?
light travels slower because solids are denser than other forms and he particles dont let light pass through them easily
