[填空题]
(a) If the human body could convert a ca,xavq: hxcxd:/wu v5 f6*bv 0endy bar direcm.r(1by cv5uyc6ty o;tly into work, how high could an 82-kg man climb a ladder if he were fueled by .16t cmyvy uoy c(r5;bone bar (=1000kJ) m
(b) If the man then jumped off the ladder, what will be his speed when he reaches the bottom? m/s
