Collision, perfectly elastic.

[STEP I 2011 Question 9 (Mechanics)]

Simultaneous projection, inequalities, maximum height, collision.

[STEP II 2010 Question 9 (Mechanics)]

Horizontal force, blow back, maximisation. [STEP II 2006 Question 11 (Mechanics)]

Second trajectory, trigonometry.

[STEP III 2009 Question 9 (Mechanics)]

Simultaneous projection, collision, trigonometry, range equation, inequality.

[STEP I 2009 Question 9 (Mechanics)]

Cricket bowler, small angle approximation.

[STEP II 2008 Question 9 (Mechanics)]

Zog, trajectory sketching, range.

[STEP I 2008 Question 10 (Mechanics)]

Inclined plane, range, maximisation.

[STEP III 2007 Question 10 (Mechanics)]

vector, maximum height, bullet.

[STEP II 2007 Question 11 (Mechanics)]

Distance equation, differentiation.

[STEP I 2007 Question 11 (Mechanics)]