Skip to content

Course home

Sign up

3.2 Q: Kinematics

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147
Question 104

At time t t\,t seconds, where t≥0t \ge 0t≥0, a particle P P\,P has position vector r=[(t2−4t)i+3tj]\mathbf{r} = \left[(t^2 - 4t)\mathbf{i} + 3t\mathbf{j}\right]r=[(t2−4t)i+3tj] m.

Find the values of t t\,t at which the speed of P P\,P is 5 m s−1^{-1}−1.

[5]
Markscheme

3.2 Q: Kinematics Questions

  1. A Level
  2. /Maths
  3. /3.2 Q: Kinematics

265 exam-style questions on AQA A Level Maths 3.2 Q: Kinematics, covering 3.2.1 Language of kinematics, 3.2.2 Graphs in kinematics, 3.2.3 Constant acceleration formulae, 3.2.4 Calculus in kinematics (A-level only), and 3.2.5 Motion under gravity and projectiles (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank