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A lecture runs from 11:00 to 11:50 AM. The elapsed time is:
A60 min
B5 min
C50 min
D10 min
Answer & Solution
Correct answer: C. 50 min
1. Elapsed time is end time minus start time.
2. That gives 50 minutes.
3. A stopwatch would read 50 min at the end.
_Source: OpenStax College Physics for AP Courses 2e, Chapter 2, Kinematics (CC BY 4.0)._
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