Физика-8кл-Перышкин-2001-гдз (8 класс - Перышкин), страница 6
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WlhagZqblqlh^eyh[jZah\ZgbyiZjZba\h^ufZkkhcd]ijbl_fi_jZlmj_&g_h[oh^bfhaZljZlblvÂ6>`wg_j]bb2. Wlh agZqbl qlh ijb dhg^_gkZpbb ZffbZdZ fZkkhc d] \u^_ey_lky1,4·106>`wg_j]bb3. Baijb\_^_gguo\ lZ[ebp_\_s_kl\gZb[he__kbevghm\_ebqb\Z_lky\gmlj_ggyywg_j]bym \h^uWlhk\yaZghk l_fqlhm g__kZfZy\ukhdZyl_iehlZiZjhh[jZah\Zgby Z agZqbl ^ey __ i_j_\h^Z \ iZj g_h[oh^bfh aZljZlblvgZb[hevrmxwg_j]bxIhaZdhgmkhojZg_gbywg_j]bbhgZi_j_c^_l\h\gmlj_ggxx4.>ZghJ_r_gb_m ] d]Q = Lm;>`L = 2,3·106 d]GZclbQ.5.>Zghm d]t1 = 0°Ct2 = 100°C>`Q = 2,3·106 d] ⋅ d] ⋅105 >`Hl\_lQ = 3,45⋅105 >`J_r_gb_Q = cm(t2 – t1) + Lm;>`⋅d]⋅ ( 100°K ±°Kd] ⋅ °K>`+ 2,3·106 d] ⋅ d] ⋅107 >`>`d] ⋅ °K>`L = 2,3·106 d]Q = 4200>Zghm d]t1 = 0°Ct2 = 100°CJ_r_gb_1) Q1 = cm(t2 – t1);c = 4200GZclbQ.6.>`d] ⋅ °K>`L = 2,3·106 d]c = 4200GZclbQ1, Q2.Hl\_lQ = 1,36⋅107 >`Q1 d]⋅ 4200>`⋅ K ±K Â5 >`d]°K>`⋅d]⋅ ( 100°K ±°Kd] ⋅ °K>`+ 2,3·106 d] ⋅ d] ⋅106 >`2) Q2 = cm(t2 – t1) + Lm;Q2 = 4200Hl\_lQ1 = 8,4·105 >`Q2 = 5,44·105 >`32MijZ`g_gb_1.