Answer: As an object falls its potential energy decreases, while its kinetic energy increases. The decrease in potential energy is exactly equal to the increase in kinetic energy.
Explanation:
Which of these describes atomic radii as one moves from top to bottom within a group? the atomic radius decreases from top to bottom within a group. the atomic radius does not vary in any predictable way within a group. the atomic radius is the same within a group.
correct answer
the atomic radius increases from top to bottom within a group?
Controlled variables: do not change as they must be held constant
Independent variables: are controlled and manipulated
Dependent variables: effected by changes to the independent variable
