HEL Describe the electrostatic force between two positively charged objects.
(A)They are attracted to each other.
(B)They are repelled by each other.
(C)They are unaffected by the sign of the charge.

What equation is used to calculate the weight of an object on a plant ?

What ia the energy of an object because of its potential and kinetic energies

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.