# What symbol for ticks on ticker tape

1. Oct 13, 2014

### gnome222

I used a ticker to measure to measure the acceleration of falling object. And and now I am writing report about it and the problem is what symbol is used for the marks on the ticker tape? Like for grams (g). What would you use for marks(?) ?

2. Oct 13, 2014

### Andrew Mason

How much time elapsed between successive hits of the ticker (ie. how much time between marks)? What does the space between the marks measure? (hint: think of the interval of distance and time between marks).

AM

3. Oct 13, 2014

### gnome222

OK, o fo m lab I mesure the frequency of the constant velocity car. To do it I took the number of marks (ticks on the ticker tape ) and divided it by 3 s( that is for how long my car went) But the thing i don't know what symbol to use for the ticks, Like for grams you use (g), what do you use for Ticks(?) the number of marks.

4. Oct 14, 2014

### Staff: Mentor

Out of ideas? Perhaps use t or tk

5. Oct 16, 2014

### Andrew Mason

Try to fill in the answer the following:

The measure of the space between the first tick and the last tick is equal to: (hint: it is one of: average velocity, total distance or total time of the trip)
The number of ticks is proportional to: ________________ (same hint)
The space between any two ticks is proportional to: ____________________ (hint: the greater the ________, the greater the space between the ticks)

If you can answer those questions, you should be able to figure out how to relate the ticks to your measurements.

AM