An asteroid is approaching Earth. Gemma and Kushi have been sent up to destroy it by drilling along a fracture line. After a lot of work and drilling Gemma and Kushi stop and head home. As thev travel home the asteroid suddenlv breaks into two pieces of equal mass. Each piece flies off at a right angle to each other. Which of the following is true? 0 The pieces have equal final speed 0 The pieces both travel at 45 a to the original direction of the asteroid O The pieces have equal kinetic energy 0 All of the above