What is the angular momentum of an object with a mass of #5 kg# that moves along a circular path of radius #9 m# at a frequency of # 2/7 Hz #?

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Sep 14, 2016

Answer:

#727.054 (kg*m^2)/s#

Explanation:

Frequency#(f)# = #2/7Hz#

So,Angular frequency #(omega)# = #2pif# = #(4pi)/7#

Velocity = Angular frequency * Radius = #omega*r = (36pi)/7#

Angular momentum#(L) = mvr = 5*9*((36pi)/7) = 727.054 (kg*m^2)/s#

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