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Jika Luas Penampang A1 dan A2 Masing-Masing 4 CM2 dan 2 CM2

By Ahlif ID Post a Comment

 

PEMBAHASAN

A1 . v1 = A2 . v2

4 . v1 = 2 . v2

4/2 v1 = v2

2v1 = v2


2gh = v2² - v1²

2 . 10 . 0,2 = (2v1)² - v1²

4 = 4 v1² - v1²

4 = 3 v1²

v1² = 4/3

v1 = √4/3

v1 = (2√3)/3 m/s

JAWABAN B

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