9709/41

Mathematics 9709/41October/November 2014

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

7
questions
50
marks
75
minutes

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

Q14MEnergy, Work and PowerNewton's Laws of MotionFree sample

A car of mass 800 kg800\text{ kg} is moving on a straight horizontal road with its engine working at a rate of 22.5 kW22.5\text{ kW}. Find the resistance to the car's motion at an instant when the car's speed is 18 m s118\text{ m s}^{-1} and its acceleration is 1.2 m s21.2\text{ m s}^{-2}.

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6 more questions
  • Q2Newton's Laws of Motion · Forces and Equilibrium4M
  • Q3Forces and Equilibrium6M
  • Q4Kinematics of Motion in a Straight Line7M
  • Q5Forces and Equilibrium · Newton's Laws of Motion9M
  • Q6Newton's Laws of Motion · Kinematics of Motion in a Straight Line9M
  • Q7Energy, Work and Power11M
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