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Q. What must the charge (sign and magnitude) of a particle of mass 1.42 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C?

Q. David is driving a steady 23.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.60 m/s^2 at the instant when David passes.

How far does Tina drive before passing David?

What is her speed as she passes him?

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Category:- Physics
Reference No.:- M9279840

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