How much is KE for displacement equal to half the amplitude?

Q. A particle undergoes SHM with a time period of $2$ seconds. In how much time will it travel from its mean position to a displacement equal to half of its amplitude?

Q. A particle undergoes 𝑆𝐻𝑀 with a time period of 2 seconds. In how much time will it travel from its mean position to a displacement equal to half of its amplitude?

Q. The periodic time of a body executing SHM is $4s$. After how much interval from time $t=0$, its displacement will be half of its amplitude?

Q. The time period of body executing simple harmonic motion is $2s.$ After starting from $t=0$ time after how much time is displacement will be equal to the amplitude?

Q. How long after the beginning of motion is the displacement of a harmonically oscillating particle equal to one half its amplitude if the period is 24s and particle starts from rest.