Question 2 - Momentum, Work, Energy and Power (36 Marks) 2.1 A 50 g bullet is fired horizontally into a 3 kg block of wood suspended by a long cord. The bullet remains embedded in the wood. The impact of the bullet causes the block, with the bullet embedded in it, to swing to a height of 20 cm above its initial level. Calculate: (6) 20 cm A. the speed with which the block and bullet first move off together. B. the bullet's speed just before impact