june 2013 physics 6ph07 mark scheme 2011

a v}{\Delta t} \) Substitute values: \( a = \frac{20\, \text{m/s} - 0}{5\, \text{s}} \) Calculate: \( a = 4\, \text{m/s}^2 \) State the answer clearly Marking points: Correct formula identified (1 mark) Correc