page 04 2. A student uses the apparatus shown to determine the acceleration of a trolley as it moves down a ramp. card trolley P ramp light gate Q electronic timer The trolley is released from rest at point P and moves down the ramp. A card attached to the trolley passes through a light gate at point Q. The time for the card to pass through the light gate is displayed on the electronic timer. The vehicle’s acceleration a is determined using the relationship 2 2 2 v u as   The student makes the following statements about the terms u, s, and v: I u = 0 m s−1 II s = the length of the card III distance between P and Q time displayed on timer v  Which of these statements is/are correct? A I only B II only C I and II only D I and III only E I, II and III