A 20-Kg Block Starts from Rest on the Positive X Axis

Multiple Choice

A 2.0-kg block starts from rest on the positive x axis 3.0 m from the origin and thereafter has an acceleration given by in m/s².At the end of 2.0 s its angular momentum about the origin is:

A) 0 kg∙m²/s
B) (-36 kg∙m²/s)
C) (+48 kg∙m²/s)
D) (-96 kg∙m²/s)
E) (+96 kg∙m²/s)