P2.3 Work, energy and momentum

Question 1

What is the equation for working out the velocity of two objects?

Answer 1

(Mass 1 x velocity 1) + (mass 2 x velocity 2) =

(mas 1 + mass 2) x combined velocity

Question 2

What is the equation used for explosions?

Answer 2

(Mass 1 x velocity 1) = (mass 2 x velocity 2) = 0