Jawaban:
Em₂ = 22 J
Penjelasan:
Energi mekanik di ketinggian 2 m dan 1 m besarnya sama.
Em₂ = Em₁
Em₂ = m.g.h₁ + 1/2.m.v²
Em₂ = 1. 10. 2 + 1/2. 1. 2²
Em₂ = 20 + 2
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Jawaban:
Em₂ = 22 J
Penjelasan:
Energi mekanik di ketinggian 2 m dan 1 m besarnya sama.
Em₂ = Em₁
Em₂ = m.g.h₁ + 1/2.m.v²
Em₂ = 1. 10. 2 + 1/2. 1. 2²
Em₂ = 20 + 2
Em₂ = 22 J