Question

CONSIDER THE MOTION OF THE TIP OF THE SECOND HAND OF THE CLOCK.IN ONE MINUTE 1. DISPLACEMENT IS 2PI R 2. DISTANCE COVERED IS 2R 3. DISPLACEMENT IS ZERO 4. DISTANCE COVERED IS ZERO

Answer 1

3.Displacement is zero
It is so because in one minute it returns to its initial position and distance covered will be 2πR...So the other three options will be wrong...
Hope this helps you....