20 A body of mass m is attached to the lower end of a spring

Last updated: 6/26/2023

20 A body of mass m is attached to the lower end of a spring an whose upper end is fixed The spring has negligible mass supe When the mass m is slightly pulled down and released it oscillates with a time period of 3 s When the mass m is increased by 1 kg the time period of oscillations becomes 5 s The value of m in kg is 3 a 4 b 4 3 c 16 9 9 Lun 22 16