alleryVelocity at an instant is defined as the limit of the average velocity as the time interval becomes:
AInfinitesimally small
BIncreasingly slow
CInstantly steady
DInternally split
Answer & Solution
Correct answer: A. Infinitesimally small
1. Average velocity depends on the interval chosen.
2. Shrinking that interval isolates one instant.
3. Velocity at an instant is the limit of the average velocity as the time interval becomes infinitesimally small.
4. So the answer is infinitesimally small.
_Source: syllabus Physics Part I, Ch 2 'Motion in a Straight Line'_
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