Suppose a 30 gram piece of iron is dropped into a container of water and gives off 165 J in cooling. Calculate the iron’s temperature change. The specific heat capacity of iron is 0.44 J/g⁰C.

Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely

What do you think car designers do if the damage caused by a crash test is too severe?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?