A spherical iron ball of radius 10 cm is coated with a layer of ice of uniform thickness that melts at a rate of 50 cm3/min. When the thickness of ice is 5 cm, then the rate at which the thickness (in cm/min) of the ice decreases, is:

A spherical iron ball of radius 10 cm is coated with a layer of ice of

1.	A spherical iron ball of radius 10 cm is coated with a layer of ice of uniform thickness that melts at a rate of 50 cm3/min. When the thickness of ice is 5 cm, then the rate at which the thickness (in cm/min) of the ice decreases, is:
Answer» A spherical iron ball of radius $10 cm$ is coated with a layer of ice of uniform thickness that melts at a rate of $50 {cm}^{3} /min .$ When the thickness of ice is $5 cm$ , then the rate at which the thickness $(in cm/min)$ of the ice decreases, is: