A Karate Expert Executes a Swift Blow and Severs a Brick

Multiple Choice

A karate expert executes a swift blow and severs a brick with her bare hand. Equal magnitudes occur for the

A) impulse on both the brick and the expert's hand.
B) force on both the brick and the expert's hand.
C) time of contact on both the block and the expert's hand.
D) all of the above
E) none of the above