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Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15.0cm and a mass of 6.00 g. Take the second hand to be a slender rod rotating with constant angular velocity about one end.

Question

Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15.0cm and a mass of 6.00 g. Take the second hand to be a slender rod rotating with constant angular velocity about one end.

 

 

 

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Step 1

The length of second hand of the clock is 15.0 cm and its mass is 6.00 g. The second hand is considered to be a thin rod rotating about one of its ends.

Step 2

Let I be the moment of inertia, m be the mass and r be the length of the rod.

Write the expression for moment of inertia of a rod about its end

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Step 3

Let ω be the angular velocity and T be the time period of one revolution. The time taken for one complete re...

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