20. The bullet mass m = 10 g, with a horizontal flying

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Uploaded: 23.03.2014
Content: fiz005_20.doc (63 kB)

Description

20. The bullet mass m = 10 g, with a horizontal flying speed V = 400 m / s hits the bag, stuffed with cotton wool mass M = 4 kg, hangs on a long string. Find the height that the bag is raised, if the bullet stuck in it, and the proportion of its kinetic energy that was spent on punching wool.

Additional information

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

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