Besaran dan satuan
1. Seratus lb air mengalir melalui pipa pada
kecepatan 10 ft/detik. Berapa energi kinetik air ini dalam ft.lbf ?
2. Berapa energi potensial (dalam ft.lbf)
dari sebuah drum 100 lb tergantung 10 ft di atas permukaan bumi?
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