A simple pendulum takes 32s to complete 20 oscillations. What is the time period of the pendulum?

What is the time period of second's pendulum?

What is the value of time period of a second's pendulum?

What is the length of a seconds pendulum?

Answer the following questions : Time period of a particle in SHM depends on the force constant k and mass m of the particle: T= 2pisqrt(m/k) .A simple pendulum executes SHM approximately. Why then is the time period of a pendulum independent of the mass of the pendulum?