If an object starts at rest and moves 90 meters south along a straight line for 3 seconds, what is its average velocity?

Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

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