Question

An object is moving in a circular path of radius r, when it competes half a revolution find its distance and displacement

Answer 1

Answer:

Displacement is shortest distance between starting point and end point. Distance is path length covered by particle. When particle moves along half circle, it covers half the circumference therefore distance covered is (2×pi×r)/2 = pi× r. ... Hence displacement is equal to diameter or 2 times the radius of circle

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