AP Physics 1mediummcq1 pt
A ball is thrown straight up at 20 m/s (g = 10 m/s²). How long is it in the air before returning to the thrower's hand?
A.4.0 s
B.2.0 s
C.8.0 s
D.1.0 s
Explanation
Core Concept
Time up is v₀/g = 2.0 s; total round trip is twice that, 4.0 s.
Correct Answer
A4.0 s
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