Question

refer to the attachment ......​

Answer 1

Explanation:

refer to the attachment .....................

.

Answer 2

given a body is in simple harmonic motion

Now

a = -bx

so

X = a/b

x/a = - 1/b

Now we know that

time period = 2πsqrt(displacement/acceleration)

time period = 2π(sqrt(-1/b))