February 26, 2017

Homework Help: physics

Posted by help me out it's urgent on Monday, July 30, 2012 at 2:54pm.

1.The potiential energy of a particle varies with distance x from a fixed origin as v=A√x/x+B where A and B are constants.Find the dimensions of AB.
2.The refractive index of a material is given by the equation ʯ=A+B/ʎsquare where A and B are constants,ʎ is wavelength.Then find the dimensional formula for B.
3.A force is given by f=at+btsquare where t is time, what are the dimensions of a and b.

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