9709/42

Mathematics 9709/42October/November 2019

Cambridge A-Level · Mechanics · worked solutions for every part, with the mark scheme

7
questions
50
marks
75
minutes

Topics Kinematics of Motion in a Straight Line · Forces and Equilibrium · Newton's Laws of Motion · Energy, Work and Power

Q14MKinematics of Motion in a Straight LineFree sample

A particle moves in a straight line. The displacement of the particle at time t st\text{ s} is s ms\text{ m}, where

s=t36t2+4t.s = t^3 - 6t^2 + 4t.

Find the velocity of the particle at the instant when its acceleration is zero.

The rest of this paper

6 more questions
  • Q2Kinematics of Motion in a Straight Line5M
  • Q3Forces and Equilibrium5M
  • Q4Energy, Work and Power7M
  • Q5Kinematics of Motion in a Straight Line7M
  • Q6Forces and Equilibrium · Kinematics of Motion in a Straight Line · Newton's Laws of Motion11M
  • Q7Newton's Laws of Motion · Kinematics of Motion in a Straight Line11M
Loading the full paper…