[填空题]
A person jumps from a fourth-storlp/xz/zw+g4 ff by z(t*o1wu bhla ,:-y ,b7x*k c p29ll0racr p:q/q6jmct(k wwindow 15.0 m above a firefighter’s safety net. The survivor stretches thcrwac 29:/pl bm kcxq*0 ,jqr67p tlk(e net 1.0 m before coming to rest, Fig. 2–37.
(a) What was the average deceleration experienced by the survivor when she was slowed to rest by the net? $m/s^2$
(b) What would you do to make it “safer” (that is, to generate a smaller deceleration): would you stiffen or loosen the net? Explain.
