17.34: A 9.20 m long uniform
i3  enii1ew0o) 5tpa((qj v8oe plank rests on a frictionless ice pond. A 52 kg box rests on the plank’s left end while a 71 kg person stands at the plank’s right end. After the person walks to the left on the plank and stands at the same location as the box, the plank has slid 3.84 m to the right relative to the pond’s shore.    Whic
38eoqe woiev1a5pi ntj)(0  (ih one of the following choices best represents the mass of the plank?
