What is the Relationship between Ticker-Tape Timer Tapes and Average Velocity?

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SUMMARY

The relationship between ticker-tape timer tapes and average velocity is established through the interpretation of tape length and width. Statement (1) is correct as the length of each tape represents the average velocity within the time interval, while statement (2) is also correct, indicating that the width of the tape represents a constant time interval. The correct answer to the homework question is C, which includes statements (1) and (2) only. The average velocity can be calculated as the length of the tape divided by the constant time interval.

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Homework Statement


Refer to the uploaded file,
Which of the following statements is/are correct?
(1) The length of each tape represents the average velocity within the time interval.
(2) The width of the tape represents the constant time interval.
(3) Joining the centres of the tops of the tape gives a displacement-time graph.

A (2) only
B (3) only
C (1) and (2) only
D (1) and (3) only


Homework Equations



/

The Attempt at a Solution



The answer is C.
But I don't understand why (1) is true.
 

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speed=distance/time

time=5 ticks=constant (for each column)

distance=length of column

so, if speed=avg velociy

avg velocity=length of column*constant

(note:constant=1/time)

or more simply: avg velocity is proportional to length of column
 

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