Sand is made of different types of rocks. The shapes and sizes are not all the same. Sand is a ----?
2 answers:
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Solution :
From the given data,
For the spherical shell is
where x is the radius of gyration and the acceleration of a rolling body on an inclined plane = a
Therefore,
= 0.6 x 9.81 x sin ( 29.7)
Δt = 1.411 s