What is the angular momentum of a rod with a mass of $15 kg$ and length of $4 m$ that is spinning around its center at $15 Hz$ ?

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Answer 1 · 2016-02-11T19:16:35

$P=7200*pi$

$P=I*omega$
$I=m*r^2$
$omega= 2*pi*f$
$P=m*r^2*2*pi*f$
$P=15*4^2*2*pi*15$
$P=15^2*4^2*2*pi$
$P=225*16*2*pi$
$P=225*32*pi$
$P=7200*pi$

What is the angular momentum of a rod with a mass of 15 kg15 kg and length of 4 m4 m that is spinning around its center at 15 Hz15 Hz?