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## Homework Statement

A 2.0-kg block starts from rest on the positive x-axis 3.0 m from the origina and thereafter has an acceleration given by a = 4i-3j. The torque, relative to the origin acting on it at the end of 2.0 s is:

## Homework Equations

linear acceleration= (radius)(angular acceleration)

torque= (moment of Inertia)(angular acceleration)

## The Attempt at a Solution

I found the angular acceleration using the formula above

moment of Inertia=(mass)(radius square)

Then find the torque using the formula above

that's not it...help!...