Question

9. An iron ball at 40°C is dropped in a mug containing water at 40°C.
The heat will
(a) flow from iron ball to water.
(b) not flow from iron ball to water or from water to iron ball.
(c) flow from water to iron ball.
(d) increase the temperature of both.
10
A wooden spoon is dipped in a cup of ice cream. Its other end​

Answer 1

(b) not flow from iron ball to water or from water to iron ball.

When an iron ball at 40 degree celsius is dropped in a mug containing water at 40 degree celsius, the heat will not flow from iron ball to water or from water to iron ball. It is because of the fact that both the substance the water and the iron have the same temperature.

hope it helps !!