A 2kg mass is suspended by a 0.25mm diameter copper wire with Young modulus 117GPa. Calculate the extension that will occur if another 1kg mass is added to this 4.87m long wire.

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

What will a positive and a negative charge do if they are separated from each other?

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom