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熱學

熱學...

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HKCEE1990 - 1998 K (1991-CE-PHY I - 5) 5. K K K K A B (K ) K (K ) ª® [email protected] «® E A K B 4 n ú μ ª ª*Å… ª* 3 ª*Å… ª* n ú μ ª 0 3 6 9 12 15 18 A K / ° C 28.0 38.4 44.0 46.2 47.8 48.8 48.8 B K / ° C 28.0 37.8 41.8 43.7 45.2 46.0 46.0 (a) K 2cm K 5 ° C K 2cm K 3 S " (5 K ) (b) cP" ) * (2 K ) (c) K A 0.00196kgK B " 0.00125kgK 640Jkg -1 K -1 K 740Jkg -1 K -1 " cP ") * (5 K ) (d) + (i) cP ") *
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(ii) S (3 K ) (1992-CE-PHY I - 4) 4. K (K ) 5 " (K )C ) S = 1 kg = 29symbol 176 \f "Symbol" \s 12 K C = 41symbol 176 \f "Symbol" \s 12 K C = 12300J (a) (4 K ) (b) \ (2 K ) (c) K (b)C ) @ / « f (3 K ) (d) K K cP " ) " (3 K ) (e) ® (3 K )
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(1993-CE-PHY I - 4) 4. K (K ) /skS 100W (K )K (a) C ) /y (3 K ) (b) * " 240 s cP" )" \ 5 " = 525.4 g \ 5 " = 515.2 g K (i) \ 5 240 s (ii) (4 K ) (c) K (b) (ii) C ) @ «® E / . (3 K ) (d) @ «® E (3 K ) (e) " K (2 K )
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(1994-CE-PHY I - 4)
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