AQA Further AS Paper 2 Mechanics 2023 June — Question 2

Exam BoardAQA
ModuleFurther AS Paper 2 Mechanics (Further AS Paper 2 Mechanics)
Year2023
SessionJune
TopicMomentum and Collisions 1

2 Two particles are moving directly towards each other when they collide.
Given that the collision is perfectly elastic, state the value of the coefficient of restitution. Circle your answer.
\(e = - 1\)
\(e = 0\)
\(e = \frac { 1 } { 2 }\)
\(e = 1\)