QP - Paper 2 AQA Physics AS-Level copy 2

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Figure 1 shows the apparatus used by a student in an experiment to measure the acceleration due to gravity, g. Figure 1 In the experiment: • a block is used to raise one end of the air tr... ack as shown in Figure 1 • an air-track glider is released from rest near the raised end of the air track and passes through the first light gate and then through the second light gate • a piece of card of length d fitted to the air-track glider interrupts a light beam as the air-track glider passes through each light gate • a data logger records the time taken by the piece of card to pass through each light gate and also the time for the piece of card to travel from one light gate to the other. . Table 1 gives measurements made with the light gates as shown in Figure 1. Table 1 Time to pass through first light gate / s Time to pass through second light gate / s Time to travel from first to second light gate / s 0.50 0.40 1.19 The length d of the piece of card is 10.0 cm Assume there is negligible change in velocity while the air-track glider passes through a light gate. Determine the acceleration a of the air-track glider. box [3 marks] [Show More]

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