Why was Idi Amin labeled as one of the Africa's cruelest dictators
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The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.

An object is kept at 45 m high and how much time will it take to reach the ground