Bone Fracture. Experimental tests have shown that bone
Chapter 8, Problem 8.12(choose chapter or problem)
Bone Fracture. Experimental tests have shown that bone will rupture if it is subjected to a force density of 1.03 * 108 N>m2 . Suppose a 70.0-kg person carelessly rollerskates into an overhead metal beam that hits his forehead and completely stops his forward motion. If the area of contact with the persons forehead is 1.5 cm2 , what is the greatest speed with which he can hit the wall without breaking any bone if his head is in contact with the beam for 10.0 ms?
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