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Q21: rate of flow of electric charge<br>A)AC<br>B)attract<br>C)critical temperature<br>D)electric
Q42: Sound waves propagate in<br>A)one dimension.<br>B)two dimensions.<br>C)three dimensions.<br>D)four
Q52: The force on your left palm is
Q64: The force on your left palm is
Q68: The positively charged particle inside an atom
Q99: Even when the temperature of a pan
Q101: You are holding your physics book,pushing upwards
Q102: Kinetic energy _ conserved.
Q104: Normal atmospheric pressure is about _.
Q107: The internal energy of a substance can