Showing the working for angular momentum

AI Thread Summary
To calculate angular momentum for a diver spinning, the formula H = Iw is used, where I is the moment of inertia and w is the angular velocity. Given I = 18 kg·m² and w = 7.9 rad/s, the calculation yields H = 142.20 kg·m²/s. The units for angular momentum are kg·m²/s, not just kg·m or radians. It's important to note that angular momentum is calculated about a specific point, typically the center of mass.
Rbraind
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Homework Statement



A diver is spinning, I know the moment of inertia and the angular velocity. I've been asked to calculate angular momentum. Just H=Iw (yes?) Just when I show the answer is it kg.m or radians?

Homework Equations



H=Iw

The Attempt at a Solution



I=18kgm2
w = 7.9 rad/s

H= (18kgm2)(7.9rad/s)
H= (324kg.m)(7.9rad/s)
H=142.20 kg.m ?
 
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Angular momentum is always calculated about a point. If that point is the center of mass of the body, the the value of ang momentum is Iw!
 

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