physics
posted by eiyka .
Calculate the kinetic energy acquired by a 11 nail when it is struck by a 540 hammer moving with an initial speed of 4.9 .

physics 
bobpursley
KE= 1/2 m v^2
normally, in the SI system, for KE to be in joules, mass has to be in kilograms, and velocity in meters per second.
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