A supertrain (rest-length = 100 m) travels at a speed of 0.950 c as it passes through a tunnel (rest-length 50.0 m). As seen by a trackside observer, is the train ever completely within the tunnel? If so, by how much?
yes, by 18.8 meters
Physics & Space Science
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Resistors in Combination: Two resistors in series are equivalent to 9.0 ?, and in parallel they are equivalent to 2.0 ?. What are the resistances of these two resistors?
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
An object's distance traveled as a function of time is shown in the graph. The graph shows
A. an object turning in a circle. B. an object with increasing speed. C. an object moving forward. D. an object experiencing an acceleration.
Physics & Space Science
The highest frequency and highest energy band of the electromagnetic spectrum is the ___________________ band
Fill in the blank(s) with correct word
Physics & Space Science
What is meant by a fouling factor?
What will be an ideal response?
Physics & Space Science