Consider the motion of the tip of the minutes hand of a clock having a length ‘R’. In one hour its
a)      The displacement is zero
b)      The distance covered is zero
c)      The average speed is zero
d)   The average velocity is zero

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$b, c & d a r e c o r r e c t .$

a & b are correct

a,b& c are correct

a & d are correct

answer is C.

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Detailed Solution

Because after 60 min i.e 1 hour displacement = 0 where distance ≠ 0

also velocity = Displacement / Time

since displacement = 0 ∴ velocity = 0

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