Conductor Attractive force Equal amount of positive & negative charges are induced Attractive force is greater than the repulsive force because of shorter distance Repulsive force Repulsive force ++++++++ P.7
Insulator Equal amount of positive & negative charges are induced in each molecule Attractive force is greater than the repulsive force because of shorter distance Attractive force Repulsive force ++++++++ P.7
-------------- ++++++++++++++ A B Ball is negatively chargedBall is attracted to LHS +-
P.15 W=mg = 9.1 x10 -31 (10) = 9.1 x10 -30 (N) W FeFe F e =eE=(1.6 x10 -19 ) (6 x10 4 ) (N) - F net =F e - W = 9.6 x10 -15 (N) If d=10 cm =0.1 m =9.6 x10 -15 (N) a=1.055 x10 16 (m/s 2 ) v 2 = 0 + 2 a d v = 45.9 x 10 6 (m/s)
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