Different conversion for angular momentum

1. The problem statement, all variables and given/known data

Express the units of angular momentum (a) using only the fundamental units kilogram, meter, and second; (b) in a form involving newtons; (c) in a form involving joules.

3. The attempt at a solution

a) L = r x p = r x mv = Iω

This can be simplified to kgm2/s

b) L = r x p = r x mv
I express r in meter m , m in kg and v in ms-1

what I got was m2kg/s

I have to convert it to n.m.s


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