The velocity v(t)v(t)v(t) of a microscopic probe moving through a fluid is modeled by the function
v(t)=10t2−34t,t>0 v(t) = \frac{10t^2 - 3}{4\sqrt{t}}, \quad t > 0 v(t)=4t10t2−3,t>0where vvv is measured in μm s−1\mu\text{m s}^{-1}μm s−1 and ttt is the time in seconds. At time t=1t = 1t=1, the displacement of the probe from a fixed origin is 4μm4 \mu\text{m}4μm. Find the displacement of the probe when t=9t = 9t=9.
864 exam-style questions on Edexcel A Level Maths Integration, covering 11.1 Integrating Standard Functions, 11.2 Integrating f(ax + b), 11.3 Using Trigonometric Identities, 11.4 Reverse Chain Rule, 11.5 Integration by Substitution, 11.6 Integration by Parts, 11.7 Partial Fractions, 11.8 Finding Areas, 11.9 The Trapezium Rule, 11.10 Solving Differential Equations, and 11.11 Modelling with Differential Equations. Each one has a worked solution and a mark scheme showing where the marks go.