Differs in number of neutrons atomic mass 2. number of protons fission 3. number of protons and neutrons atomic number 4. splitting of atoms fusion 5. joining atoms together isotope

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?