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80. The train is moving in a straight line at a speed of υ0 = 180 km / h. Suddenly, on the way there is an obstacle and the driver includes a brake. Since then, the train speed varies as υ = υ0 - αt2, where α = 1 m / s3. What is the braking distance of the train? How soon after the start of braking to stop it?
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- Content type File
- Content description 29 kB
- Added to the site 24.03.2014
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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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Solving a problem in physics section 8 point 80 mechani
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