[填空题]
A bullet is fired ve.pf:g k58a;)mn qqnpim 5pn,xr3 sp-f ca- l.y6zlltu)tically into a 1.40-kg block of wood at rest directly above it. If the bullet has a mass of 29.0 g and a speed of 510m/s how high will the block rise after the bullet becomeszycl llf 3a-6.tp)s u- embedded in it? m