A-LevelPhysicsDynamics9702/12 · May/June 2011 · Q121 Mark
A car accelerates in a straight line. A graph of the momentum of the car is plotted against time. What is evaluated by finding the gradient of the graph at a particular time?
Athe acceleration of the car
Bthe resultant force on the car
Cthe kinetic energy of the car
Dthe power supplied to the car
✓ Correct answer
B: the resultant force on the car
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