Question

A 2.0-kg block starts from rest on the positive xaxis 3.0 m from the origin and thereafter has an acceleration given by in m/s2. The torque, relative to the origin, acting on it at the end of 2.0 s is:
A) 0 Nm
B) (-18 Nm)
C) (+24 Nm)
D) (-144 Nm)
E) (+144 Nm)

Answer

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