A glider with a vertical card attached is moving at a constant speed on an air track. The glider passes through two light gates connected to a data logger.
The length of the card is 7.5 cm. The card takes 250 ms to pass through the first light gate.
State the relationship between average speed, distance, and time.
Calculate the average speed of the card as it passes through the first light gate. Give your answer in cm/s\text{cm/s}cm/s.
State the time taken for the card to pass through the second light gate.
