Pls give step by step workings for each question

A7 1. Suppose you have two objects. Object A, with a mass of 0.26 kg travelling at 1.3 mfs[E], collides head-on with a stationary object B, with a mass of 0.15 kg. If the collision is perfectly elastic, determine the final velocities of both objects after the collision. Express your answers to 2 decimal places. (Hint: assume [E] is positive.) 2. Suppose object B in the previous problem was not stationary but was initially travelling at 1.0 mls[W]. What would the final velocities of both objects be after the perfectly elastic collision? Express your answers to 2 decimal places. (Hint: assume [E] is positive.) 3. Without doing any calculations, draw some general conclusions about perfectly elastic collisions if: a. m1 = m2 b. m1 >>> m2 c. m1