Question

please answer.....................​

Answer 1

Answer:

A

Explanation:

Answer 2

Answer:

the spring arrange. in parallel. form and in parallel form Keq= k1+k2 where k1=k2 so Keq = 2k and T= 2π×√(m/k) where T is time and T = 1/f here f is frequency so f =( 1/2π)×√(2k/m) plzz check you give two ans in qs doesn't match my ans so plzz check it