Question

Looking
out
the
window
of
your
9th
floor
apartment
(23
meters
off
the
sidewalk)
you
see
a
golf
ball
drop
past
your
window
with
a
speed
of
25
m/s.
You
assume
that
a
person
on
a
higher
floor
dropped
it.
(a)
How
high
above
your
window
was
the
release
point?
(b)
What
will
its
speed
be
when
it
hits
the
sidewalk
below?