# What is the angular momentum of a rod with a mass of # 8 kg# and length of #4 m# that is spinning around its center at #5 Hz#?

##### 1 Answer

Mar 9, 2016

#### Explanation:

#I = 1/12 ML^2#

#= 1/12 (8 quad "kg") (4 quad "m")^2#

#= 10.67 quad "kgm"^2#

The angular momentum about the center of the rod is given by

#L = I omega#

#= (10.67 quad "kgm"^2)(5 quad "Hz")#

#53.3 quad "kgm"^2"s"^{-2}#