jtvchs3415 jtvchs3415

28-01-2024
Physics

contestada

A rock dropped from a 5-m height accelerates at 10 m/s² and strikes the ground 1 s later. If the rock is dropped from a height of 2.5 m, its acceleration of fall is
A. 5 m/s²
B. 10 m/s²
C. 15 m/s²
D. 20 m/s²

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