Posted by **Edward** on Monday, July 23, 2012 at 12:55pm.

A 20 g bullet moving horizontally with a speed v hits a 2-kg block of wood resting on a table. After hitting the block the bullet is embedded in the block of wood and the block and the bullet moves a distance of 40 cm before it stops. If the coefficient of friction between the block and the table is 0.2 find the initial speed v of the block.

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