06.10: A firecracker explodes while in flight along a parabo48 ihjton7 c8alic path and fragments from it traveling all directions. After the explosion, the center of mass ofioc 7j8t8 h4an the firecracker

  07.20: A large wedge rests on a horip. ynb:i27nk dzontal frictionless surface, as shown. A block starts from rest and slides down the inclined sd7y2p:nnib. kurface of the wedge, which is rough. During the motion of the block, the center of mass of the block and wedge system

  10.34: A 4.0 kg object in deep space moves atwdy )jw -w(l) hzx:t;q a constant velocity of 10 m/s along the +x axis. The object suddenly explodes into 2 equal mass pieces. Immediately after the explosion, one piece is now moving directly along the –y axis with a speed of 8.0m/s. What was the size of the impulse (in proper MKS units) provided to thiszhl-: wj ;y t(w)qdwx) piece now moving along the –y axis from the explosion?

  16.26: A 10.0 kg mass moves to the right at 8.00 m/s. A 5.0 kg mass moves to;uuvjz*k.zc lc(6 qb)km 4t/h the vu;lzzcm/4hqkt c 6*u) .(bkj left at 7.00 m/s. With what speed does the center of mass of this two-mass system move?

  17.34: A 9.20 m long uniform plank rests on a f +ap84v ed1qafrictionless ice pond. A 52 kg box rests on the plank’s left end while a 71 kg person stands at the plank’s right end. After the person walks to the left on the plank qvfda+4e8 1apand stands at the same location as the box, the plank has slid 3.84 m to the right relative to the pond’s shore. Which one of the following choices best represents the mass of the plank?