Page 34 - E-MODUL SUHU DAN KALOR
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4. Pantai yang bersuhu 30°C terdapat seorang perselancar tanpa memakai baju atasan
memiliki suhu badan 37°C. Jika luas seluruh permukaan badan perselancar tersebut
1,5 dan diketahui koefisien konveksi termal udara sekitar tubuh anak tersebut
2
adalah 8 J/m.s.°C. tentukan laju perambatan kalor dari tubuh perselancar itu ke udara
sekeliling pantai tersebut!
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5. Sekelompok remaja mengadakan kemah di pesisir pantai. Pada malam hari, angin
berhembus dari darat dan mereka sedang menyalakan api unggun untuk
menghangatkan badan mereka. Peristiwa apa saja yang dapat dirasakan oleh
sekelompok remaja tersebut saat menjalani kemah di pantai? Jelaskan!
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