Consult Multiple-Concept Example 8 for background pertinent to this problem. A 2.50-g bullet, traveling at a speed of 425 m/s, strikes the wooden block of a ballistic pendulum, such as that in Figure 7.12. The block has a mass of 215 g.

(a) Find the speed of the bullet–block combination immediately after the collision.

(b) How high does the combination rise above its initial position?

Figure 7.12.

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(a) (b) h = 0.650 m m1 + m2