A 9.7-g bullet is fired into a stationary block of wood having mass m = 5.10 kg. The bullet imbeds into the block. The speed of the bullet- plus-wood combination immediately after the collision is 0.606 m/s. What was the original speed of the bullet? (Express your answer with four significant figures.)

A 9.7-g bullet is fired into a stationary block of wood having mass m = 5.10 kg. The bullet imbeds into the block. The speed of the bullet- plus-wood combination immediately after the collision is 0.606 m/s. What was the original speed of the bullet? (Express your answer with four significant figures.)