Solve all given part of following problem:
Problem: In an explosion, an object breaks down into two pieces, M1 and M2. M2 flies away at 3 times the speed of M1.
Part I: What is the mass ration of M1/M2?
Part II: Which mass has more momentum immediately after the explosion?
Part III: Which mass has more kinetic energy?
I need help for above problem and please show your results in detailed calculations.