Q1=Q2
c1m1(t-t1)=c2m2(t2-t)
c1m1t-c1m1t1=c2m2t2-c2m2t
c1m1t+c2m2t=c2m2t2+c1m1t1
t(c1m1+t2m2)=c2m2t2+c1m1t1
t=(c2m2t2+c1m1t1):(c1m1+c2m2)=(2500*0.5*20+4200*0.2*50):(4200*0.2+2500*0.5)=32
t=32
Объяснение:
Q1=Q2
c1m1(t-t1)=c2m2(t2-t)
c1m1t-c1m1t1=c2m2t2-c2m2t
c1m1t+c2m2t=c2m2t2+c1m1t1
t(c1m1+t2m2)=c2m2t2+c1m1t1
t=(c2m2t2+c1m1t1):(c1m1+c2m2)=(2500*0.5*20+4200*0.2*50):(4200*0.2+2500*0.5)=32
t=32
Объяснение: