Question

A copper block (90°C) is placed in contact with a lead block (20°C), which is already in contact with an iron block (70°C). Which of the following will happen?

Heat will flow from the copper to the lead to the iron until the temperatures are equal.

Heat will flow from the iron to the lead to the copper until the temperatures are equal.

Heat will flow from the copper to the lead and from the iron to the lead until the temperatures are equal.

Heat will flow from the lead to the copper and to the iron until the temperatures are equal.

Answer 1

I think A?

Answer 2

@Somy

Answer 3

or C?

Answer 4

@JFraser

Answer 5

@SyedMohammed98

Answer 6

well look lowest temp is 20
thus you would expect the higher ones to give heat to lower one
since heat flows from hotter to colder

Answer 7

so A is incorrect

Answer 8

so C? :)

Answer 9

i'd agree with C yeah

Answer 10

thank you :D

Answer 11

no problem :)