0

Guest

Courses New

a body cools from 67 to 37 in t secs at surrounding temp of 27. if the surrounding temp is 7, how much time would it take?

a body cools from 67 to 37 in t secs at surrounding temp of 27. if the surrounding temp is 7, how much time would it take?

Grade:12th pass

2 Answers

Khimraj
3007 Points
5 years ago
ACco
Khimraj
3007 Points
5 years ago
According to newtons law of cooling
log(T1 -T)/(T2 – T) = Kt
log(67 – 27)/(37-27) = Kt
log4 = Kt
t = 2log2/K
and final condition is
log(67 – 7)/(37 – 7) = Kt’
log2 = Kt’
t’ = log2/K = t/2.
Hope it clears.

Think You Can Provide A Better Answer ?

Other Related Questions on Thermal Physics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More