Question #7c07a

1 Answer
Shantanu Dash
Feb 24, 2018

It assumes that air does not provide friction or viscosity effects, angular displacements are small and mass of string is negligible.

Explanation:

The assumptions are:

1.No friction and viscosity effects of air.
2.The angular displacement is small.(only pretty good upto 10 to 20 degrees.)
3.Mass of string is negligible.

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