disp("Part a");
r1=0.511;
l=10;
r=r1*l;
T_C1=20;
disp("the resistance (in Ω) at 20 °C is"); disp(r);
disp("Part b");
T_F2=100;
T_C2=(T_F2-32)*5/9;
a_1=0.00393;
r2=r*(1+a_1*(T_C2-T_C1));
disp("the resistance (in Ω) at 100 °F is"); disp(r2);
disp("Part c");
T_F3=-40;
T_C3=(T_F3-32)*5/9;
r3=r*(1+a_1*(T_C3-T_C1));
disp("the resistance (in Ω) at -40 °F is"); disp(r3);