True or false the potential energy of a freely object increases as it begins to fall

Which type of basaltic lava flow has a fairly smooth

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

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