A copper rod has a diameter of 4cm and a length of 0.8m. One end of the rod is placed in boiling water and the other end is placed in an ice bath. How much heat is conducted through the bar in 1 minute ?

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

d eras and periods

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which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table