February 23, 2017

Homework Help: science

Posted by jason on Friday, November 16, 2012 at 11:10pm.

A bullet with a mass of 7.11 g and a speed
of 774 m/s penetrates a tree horizontally to
a depth of 1.85 cm. Assume that a constant
frictional force stops the bullet.
Calculate the magnitude of this frictional
force. Try energy considerations.
Answer in units of N

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