MJ20 P41 Q3 Engine Piston Simple Harmonic Motion | A2 Oscillation | CAIE A Level 9702 Physics

Описание: 9702/41/M/J/20: The piston in the cylinder of a car engine moves in the cylinder with simple harmonic motion. The piston moves between a position of maximum height in the cylinder to a position of minimum height, as illustrated in Fig. 3.1.

The distance moved by the piston between the positions shown in Fig. 3.1 is 9.8 cm. The mass of the piston is 640 g. At one particular speed of the engine, the piston completes 2700 oscillations in 1.0 minute.
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Also #9702s20p43 9702/43/M/J/20

(a) For the oscillations of the piston in the cylinder, determine (i) the amplitude, (ii) the frequency, (iii) the maximum speed, (iv) the speed when the top of the piston is 2.3 cm below its maximum height.

(b) The acceleration of the piston varies. Determine the resultant force on the piston that gives rise to its maximum acceleration.

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