Instruction: Set the last 2 numbers of your student ID as a and b respectively, then substitute It to the given: 2020-01234-MN-0 then a=3 and b=4. Example if mass of a box is 13a kg then it becomes 133kg. Box your final answer. 2. A big fish of 220 pounds chomps a prey of 0.557kg which is initially stationary, To do so, it swam with energy equal to 27b.ba joules. Find: a) its initial velocity, b) final velocity for both big fish and prey, c) Find the change in energy