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TAHAP PROBLEM STATEMENT
Sekarang coba kemukakan pendapat ananda berdasarkan pernyataan
berikut!
1. mengapa roller coaster tidak lepas dari relnya padahal melewati
tempat yang ketinggiannya berbeda-beda?
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2. bagaimana bisa roller coaster tetap melaju padahal setelah tanjakan
awal mesinya dimatikan?
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3. menurut ananda apa itu energi?
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E-MODUL FISIKA KELAS X USAHA DAN ENERGI
57