A clock has a continuously moving second's hand of 0 . 1 m length. The average acceleration of the tip…

A clock has a continuously moving second's hand of 0.1m length. The average acceleration of the tip of the hand (in units of ms-2 ]) is of the order of :

  1. 10-3
  2. 10-4
  3. 10-2
  4. 10-1

Solution

The instantaneous acceleration of tip is given by

ac=ω2R=2π602×0.1=1900≈10-3

 

Asked in: JEE Main 2020 (06 Sep Shift 1)

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