AP Physics 1mediummcq1 pt
A ball rolls off a 20 m-high table with a horizontal speed of 5.0 m/s (g = 10 m/s²). How long is it in the air?
A.2.0 s
B.4.0 s
C.1.0 s
D.0.25 s
Explanation
Core Concept
The fall time depends only on height: t = √(2h/g) = √(40/10) = 2.0 s.
Correct Answer
A2.0 s
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