F=0.7*10^3 H a=0.2 Fc=?Fc=F-m*a=0.7*10^3-10^3*0.2=0.5*10^3 H (0.5 кН)
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p - constV1/T1=V2/T2T2/T1=V2/V1=1.02(T+5)/T=1.02
T+5=1.02T0.02T=5
T=250 К