A 8.7 g bullet is stopped in a block of wood (mw = 6.9 kg). The speed of the bulletplus-wood combination immediately after the collision is 0.91 m/s....

A 8.7 g bullet is stopped in a block of wood(mw = 6.9 kg). The speed of the bulletplus-wood combination immediately after thecollision is 0.91 m/s.What was the original speed of the bullet?Answer in units of m/