Multiple Choice
The 2.5-kg head of an ax exerts a force of 80 kN as it penetrates 18 mm into the truck of a tree. The speed of the ax head when it strikes the tree is
A) 1.2 m/s.
B) 3.4 m/s.
C) 34 m/s.
D) 107 m/s.
Correct Answer:
Verified
Correct Answer:
Verified
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