72 shows the dependence of the velocity of the material

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Uploaded: 23.03.2014
Content: fiz006_72.doc (39,5 kB)

Description

72 shows the dependence of the velocity of the material point of time υ (t) = 2tex + 3t2ey (m / s) and the initial radius vector r (e) = 2ex + 3ey (m). Find the radius of the unit vector at time t = 1 s.

Additional information

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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