Physics Work,Power & Energy Level: Misc Level

A (n) 6.5 g bullet is fired into a (n) 1.8 kg ballistic pendulum. The bullet emerges from the block with a speed of 176 m/s, and the block rises to a maximum height of 8 cm.The acceleration of gravity is9. 8 m/s squared. Find the initial speed of the bullet. Answer in units of m/s.