Momentum and CollisionHard
Question
One end of a long metallic wire of length L area of cross section A and Young′s modulus Y is tied to the ceiling. The other end is tied to a mass less spring of force constant k. A mass m hangs freely from the free end of the spring. It is slightly pulled down and released. Its time period is given by -
Options
A.
B.
C.
D.
Solution
Spring constant of wire = 
So effective spring constant
Time period
So effective spring constant
Time period
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