Author Question: The ram of a pile driver drops onto the top of an iron beam, driving it partway into the ground. The ... (Read 135 times)

ereecah · **on:** Jul 29, 2018

The ram of a pile driver drops onto the top of an iron beam, driving it partway into the ground. The distance that the beam sinks into the ground depends on the

A) initial height of the ram.
B) initial potential energy of the ram.
C) kinetic energy of the ram when it first hits the beam.
D) all of the above

Question 2

A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above the ground is

A) 1 m.
B) 2 m.
C) 3 m.
D) 4 m.
E) none of the above