AP Physics 1mediummcq1 pt
A rock is thrown horizontally from a 80 m cliff (g = 10 m/s²). Its time to hit the ground is
A.4.0 s
B.8.0 s
C.2.0 s
D.16 s
Explanation
Core Concept
t = √(2h/g) = √(160/10) = 4.0 s, independent of horizontal speed.
Correct Answer
A4.0 s
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