Question

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Answer 1

✔✔Here is your answer in the attachment ✔✔

Answer 2

✔✔Here is your answer ✔✔

the force constant, k = Mg/l0

Here , M= 0.5 kg , l0 = 5.0cm

=5.0×10^-2m

K=0.5×9.8 /5.0×10-2=98N/m

Time period , T=2 pie ×root (M/K)

=2×3.14×root(0.5/98)

=2×3.14×1/14

=6.28/14

=0.448s