To Measure Velocity.

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Presentation transcript:

To Measure Velocity

Method Set up the apparatus as in the diagram. 2. Connect the ticker timer to a low-voltage power supply. 3. Give the trolley a small push to start it moving. Adjust the slope of the track so that the trolley moves with a constant speed. The dots will be evenly spaced. 4. The velocity is measured from the tape. 5. The time interval between two adjacent spots is 0.02 s. 6. Measure the distance over 10 spaces and divide by 0.2. 7. Repeat at different sections on the tape and find an average.

Results Precautions Avoid parallax when measuring distances. 0.2 Dust the track to reduce friction. Repeat and find the average speed. s cm T s V m/s 0.2