(3a) How fast does a 720 kg horse have to run to have the same linear momentum as a 2653 kg elephant running 5.25 km/hr? :] Submit Answer Tries 0/10 (3b) How fast does the horse have to run to have the same kinetic energy as the elephant? Submit Answer Tries 0/10 0 a (4) Two 435.0 9 blocks of wood are 4.59 m apart on a frictionless table. A 23.7 g bullet is fired at 434.1 m/s toward the blocks. It passes all the way through the first block, then embeds itself in the second block. The speed of the rst block immediately afterward is 5.41 m/s. What is the speed of the second block after the bullet stops? Submit Answer Tries 0/10 "a