Bobpursely
posted by Anonymous .
Bobpursely would you mind looking at my physics post. Just provide me with the formulas.

FYIMany questions are under the name "Anonymous".
If you expect a particular tutor to help you, you need to be more specific. 
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.

Use conservation of momentum to get the initial velocity of the block with imbedded bullet.
Then set the initial kinetic energy of block & bullet equal to the work done against friction, and solve for trhe sliding distance.
Check to make sure the bullet weight is really 5 kg. That is more like a cannonball. I suspect it is really 5 g. 
Thank you, drwls!
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