The figure above shows a bullet of mass 200 g traveling horizontally towards the east with a speed of 400 m/s, which strikes a block of mass 1.5 kg that is initially at rest on a frictionless table. After striking the block, the bullet is embedded in the block and the block and the bullet move together as one unit. What is the magnitude and direction of the block/bullet combination immediately after impact? 25 m/s east 36 m/s west 47 m/s east 58 m/s west