Answer :
Final answer:
The input in this question refers to the rotational speed of a test dial. This is calculated by dividing the number of revolutions it makes by the time taken, yielding an answer of 0.0556 revolutions per second.
Explanation:
The measurement is refering to the concept of rotational speed or rotational frequency. In this specific case, the dial is making a revolution in 18 seconds. Hence, the input referred to here could be the rotation rate of the test dial.
This is determined by dividing the number of revolutions by the time taken. Consequently, the rotational speed of the test dial is 1 revolution per 18 seconds. Therefore, the input would be: 1 revolution/18 seconds = 0.0556 revolutions per second.
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