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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 15.0 cm 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 15.0 cm and a mass of 6.00 g. Take the second hand to be a slender rod rotating with constant angular velocity about one end.

check_circleAnswer
Step 1

Given,

Length 15.0 cm
0.15 m
Mass m 6.0 g
0.006 kg
=
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Length 15.0 cm 0.15 m Mass m 6.0 g 0.006 kg =

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Step 2

Moment of Inertia:

mi
3
0.006x (0.15)
I =
3
kg-m2
= 4.5 x10
I
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mi 3 0.006x (0.15) I = 3 kg-m2 = 4.5 x10 I

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Step 3

The clock takes 60 sec to complete the ...

2 x7T
60
0.1047 rad/sec
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2 x7T 60 0.1047 rad/sec

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