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Verified answer
Ep ketinggian 15 m = Em (karena pada titik teratas Ek 0)Ep h.15
m.g.h
1 . 10 . 15
150 Joule (Em)
Em d titik manapun sama
Ep ketinggian 5 m
m . g . h
1 . 10. 5
50
Ep + Ek = Em
Ek = Em - Ep
= 150 - 50
= 100
Ek = 1/2 . m . v^2
100 = 1/2 . 1 . v^2
200 = v^2
Verified answer
g = 10 m/s².. ANGGAP
∆h = 15 - 5 = 10 m
v = __?
kecepatan
v = √(2 g ∆h)
v = √(2 • 10 • 10)
v = 10√2 m/s ← jwb