AP Physics 1mediummcq1 pt
A car moving at 25 m/s is 100 m behind a truck moving at 15 m/s in the same lane. How long until the car catches the truck?
A.10 s
B.4.0 s
C.6.7 s
D.2.5 s
Explanation
Core Concept
The car closes at a relative speed of 25 − 15 = 10 m/s, so t = 100/10 = 10 s.
Correct Answer
A10 s
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