Test:351 QNo:105

A bucket full of hot water is kept in a room and it cools from 75°C to 70°C in T1 minutes, from 70°C to 65°C in T2 minutes, and from 65°C to 60°C in T3 minutes. Then

2 Answers

1
Thedarkknight ·

According to newtons law
rate=k(t1-t2)
So how can all be same?

1357
Manish Shankar ·

Use newton's law of coolinng
which is
dT/dt=-K(T-Ta)
where Ta is ambient temperature

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