Question

UUTTU
Q. 13 A metal sphere cools at the rate of 3°C per minute when its temperature is 50°C. Find the rate of cooling at
on the sphere (J = 4.2 J/cal)
(1.8°C/min)
40°C. if the temperature of the surrounding is 25°C.
Q. 14 A body cools at the rate of 0.3°C second when it is 50°C above the surrounding. What is its rate of cooling
(0.24°C/s)
when it is at 40°C above the surrounding.
will its rate of cooling be​

Answer 1

Answer:

please see this pic for 14th answer