11-S1-Q7 Read more about 11-S1-Q7 Differential equation, water leaking out of tank, logarithm function. [STEP I 2011 Question 7 (Pure)]
98-S1-Q8 Read more about 98-S1-Q8 Differential equations, volume flux, second order equation. [STEP I 1998 Question 8 (Pure)]
93-S2-Q11 Read more about 93-S2-Q11 Immersed body into liquid, buoyancy and drag, equilibrium. [STEP II 1993 Question 11 (Mechanics)]
