A body cools from 50°C to 49°C in 5 seconds. How long will it take to cool from 40°C to 39°C? (Assume temperature of surrounding to be 30°C and Newton’s law of cooling is valid). A body cools from 50°C to 49°C in 5 seconds. How long will it take to cool from 40°C to 39°C? (Assume temperature of surrounding to be 30°C and Newton’s law of cooling is valid). September 6, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 13 - Thermal Expansion, Calorimetry and Transmission of Heat , Facebook Messenger WhatsApp Share this:TwitterFacebook Related