Asked by  | 14th Jun, 2009, 01:59: PM

Expert Answer:

1.(4)Never has a unit

2.Coefficient of friction has no dimension.

3.Angt hle of contact has no dimension.

4.Dimensional formula for r.m.s. velocity is [LT-1]

Answered by  | 14th Jun, 2009, 02:36: PM

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