(c) All European countries signed the Paris Climate Agreement in 2016.
In the future, some European countries will only allow electric vehicles.
Suggest how this is likely to affect methods of electricity generation in these countries.

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

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