5-108. Tiny Tompfind, a man of mass 72 kg, jumps (from rest) from
a table 92 cm to the floor below. As he lands, he bends his knees so
that
he decelerates over a distance of 35 cm.
(a) What is Tiny's speed just as he hits the floor?
(b) As he decelerates, what is the magnitude of the force exerted on
him by the floor?
As always we must choose a coordinate system in which to solve the
problem. Which is best?
(A)
(B)
(C)
(D)