Form two hypotheses regarding conservation of momentum and conservation of kinetic energy during a simulated “explosion” created when an object is broken in half by releasing a spring that was compres...Form two hypotheses regarding conservation of momentum and conservation of kinetic energy during a simulated “explosion” created when an object is broken in half by releasing a spring that was compressed between the two halves of the object. First we need to know how much elastic potential energy was contained in the spring and to calculate that we need to know the spring constant and compression distance.