Uniform spherical ball, coefficient of restitution.

[STEP I 2014 Question 10 (Mechanics)]

Coefficient of restitution, identical particles.

[STEP II 2013 Question 11 (Mechanics)]

Kinetic energy lost, particles embedded in block.

[STEP II 2012 Question 11 (Mechanics)]

Hooke's law, impulse.

[STEP III 2011 Question 10 (Mechanics)]

Coefficient of restitution, second collision.

[STEP II 2011 Question 9 (Mechanics)]

Perfect elastic, particles dropped from height, horizontal plane.

[STEP I 2011 Question 10 (Mechanics)]

Coefficient of restitution, perfectly elastic, approximation.

[STEP II 2010 Question 10 (Pure)]

Coefficient of restitution, changing direction.

[STEP I 2010 Question 11 (Mechanics)]

Coefficient of restitution, equidistant particles.

[STEP II 2009 Question 10 (Mechanics)]

Coefficient of restitution, kinetic energy.

[STEP I 2009 Question 11 (Mechanics)]