PhysicsHard148×since 2002Q7975A body cools from 80∘C80^{\circ} \mathrm{C}80∘C to 60∘C60^{\circ} \mathrm{C}60∘C in 5 minutes. The temperature of the surrounding is 20∘C20^{\circ} \mathrm{C}20∘C. The time it takes to cool from 60∘C60^{\circ} \mathrm{C}60∘C to 40∘C40^{\circ} \mathrm{C}40∘C is :A500 sB253 S\frac{25}{3} \mathrm{~S}325 SC450 sD420 sCheck answerSkip