s=v2−u22a\displaystyle s = \frac{v^2 - u^2}{2a}s=2av2−u2
v=7v = 7v=7 u=5u = 5u=5 a=3a = 3a=3
Verify that the value of s s\,s is 4.
296 exam-style questions on AQA GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.