The massive ram of a pile driver falls from rest and strikes a pile below. The ram's speed of impact depends on its
A. falling distance.
B. initial height.
C. initial potential energy.
D. all of the above
Answer: D
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What will be an ideal response?
Which of the following is a neurotoxin shown to decrease IQ in children?
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The change of state from a gas to a liquid is called
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