The diagram shows a roller-coaster track. Assume that the system is closed. B D C E Α. At which point on the track will a roller-coaster car have the greatest potential energy due to gravity? Α.Α B. D с. В D. C

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

answerca air mass;