Can someone help me answer these? It‘s about linear expansion1. A piece of copper wire is 40 cm long at 20 degrees Celsius. What will be its length if it is heated to 120 degrees Celsius?2. An aluminum sheet 80 cm long and 30 cm wide is heated from 35 degrees Celsius to 145 degrees Celsius. What will be its area after heating.For the length, centimeters should be converted to metersThanks for the help. :)
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Hi; 1-(Delta)LL_1(D)T (D)T100 L_140x10^-2 m (COOPER)17x10^-6 (D)L17x10^-6x40x10^-2x10^2 (D)L680x10^-6 m L_2L_1+(D)L L_2(680+400000)(10^-6) L_2400680 (Micro Meter) L_2400680x10^-6 m . (D)A2A_1(D)T (Al)23x10^-6 A_180x30x10^-40.24 m^2 (D)T145-35110 (D)A2x23x10^-6x0.24x110 (D)A1214.4x10^-6 A_2A_1+(D)A A_2(1214.4+240000)(10^-6) A_2241214.4x10^-6 m^2 . Hope you Bests!
