An insulating rod having linear charge density i = 38.0 µC/m and linear mass density µ = 0.100 kg/m is released from rest in a uniform electric field E = 110 V/m directed perpendicular to the rod. λ, μ. (a) Determine the speed of the rod after it has traveled 1.50 m. m/s (b) How does your answer to part (a) change if the electric field is not perpendicular to the rod? O It increases. O It decreases. O It stays the same.
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