Senin, 31 Desember 2012
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But I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system, and expound the actual teachings of the great explorer of the truth, the master-builder of human happiness. No one rejects, dislikes, or avoids pleasure itself, because it is pleasure, but because those who do not know how to pursue pleasure rationally encounter consequences that are extremely painful.
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Suatu bahan radioaktif cesium -137 pada awalnya memiliki laju radiasi foto gamma 1,5 × 10pangkat14 partikel setiap detik . Apabila waktu paruh bahan tersebut 30 tahun . Tentukan laju radiasi pada 10 tahun berikutnya ? Tolong cara2 nya gam
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