[单选题]
A handball of mass 0.10 kgbmj-i)c 6s6s9nt mx/g, tra,fy i*oy yvzagbk- 12h2f)or/veling horizontally at 30 m/s, strikes a wall and rebounds at 24 m/s. What is the change in thef1a oyzh -fbi*2rkg /y 2)vyo, momentum of the ball?
A. 0.60 kgm/s
B. 1.2 kgm/s
C. 5.4 kgm/s
D. 72 kgm/s
