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Steel rails for a train

Steel rails for a train track are laid in a region subject to extremes of temperature. The distance from one juncture to the
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2. asked by itufizik
3. 868 views
The rails on a railroad are 30 feet long. As the train passes over the point where the rails are joined, there is an audible
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2. asked by Gaurav
3. 1,065 views
A simple pendulum hangs from the roof of a train moving on horizontal rails. If the string is inclined towards the front of the
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2. asked by aarya
3. 1,046 views
steel train rails are placed end to end with space in between on a day where a temperature is 30 degrees. How much stress will
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2. asked by joy
3. 495 views
Why did the building of the Transcontinental Railroad have to be shelved for a few years?Iron rails rusted, and the wait for
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2. asked by Michael
3. 682 views
A train of mass 200 tonne travelling at 140 km/hour applies the brakes fiercely, sothat the brakes lock and the wheels slide
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2. asked by abdul
3. 577 views
3. A train loaded with steel, moving at 90km/h, collides head on with a stationary train of mass 6000kg. if the trains couple
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2. asked by Danielle
3. 1,305 views
When railroad tracks are installed, gaps are left between the rails. Each steel rail is 8.0m long and has a cross-sectional area
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2. asked by Wendi
3. 580 views
An old trick to find out if a train is coming is to put your ear on the rails of the track. Why is this more effective than just
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2. asked by Kasey
3. 674 views
The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically μr=0.002. Suppose a
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2. asked by Elias
3. 6,553 views