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3 February, 22:14

A wall clock has a second hand 22.0 cmcm long. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Fast car, flat curve. Part A What is the radial acceleration of the tip of this hand

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  1. 3 February, 22:26
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    The tip of the second hand moves on a circular path having radius equal to. 22 m. Redial acceleration is given by the expression

    ω²R where ω is angular velocity and R is radius of the circular path.

    angular velocity of second hand = 2π / T where T is time period of circular motion. For second hand it is 60 s.

    ω = 2π / T

    = 2π / 60

    =.1047

    angular acceleration =.1047² x. 22

    = 2.41 x 10⁻³ rad / s².
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