Kunci Jawaban IPA Kelas 10 SMA, Halaman 136, Ayo Identifikasi, Aktivitas 6.3, Energi Terbarukan

Energi Mekanik di Posisi B

EMB = EPB + EKB

EMB = mghB + 1/2 mvB²

EMB = m10(1,5) + 1/2 m(30)

EMB = 15m + 15m

EMB = 30m Joule

Posisi C
Energi Mekanik di Posisi C

v = 0 m/s, h = 30 m

EMC = EPC + EKC

EMC = mgh + 0