What is the minimum mass of the droplet

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Q. Assume a droplet of unknown mass remains suspended against gravity when E = -3.30 105 N/C. What is the minimum mass of the droplet? (Take the +y direction to be upward.)

Q. A falling stone takes 0.28 s to travel past a window 2.2 m tall. From what height above the top of the window did stone fall?

Reference no: EM1368788

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