Question

$\small\purple{explain\:B\:&\:C}$​

Answer 1

A

F = -Kx

Y = FL/A∆L

∆L = Elongation = x

F = YA/L X

K = YA/L

B

T = 2π√m/K

Put Value of K

T = 2π√ML/YA

C

Y = FL/A∆L

F/A = stress

Stress = Yx/L

x = ∆L

D

Work = 1/2 Kx^2

put value of K

Work = 1/2 YAx^2/L

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