91 One end of a long metallic wire of length L is tied to

Last updated: 6/12/2023

91 One end of a long metallic wire of length L is tied to the ceiling The other end is tied to massless spring of spring constant k A mass m hangs freely from the free end of the spring The area of cross section and Young s modulus of the wire are A and Y respectively If the mass is slightly pulled down and released it will oscillate with a time period Tequal to b 2 a 2 m V k c 2 m YA kL Ak d 2 m YA kL YAK n t Buss NAUD m Y kL YAK B sin three identical