Simple Harmonic Motion

Question 1

What is the formula for period in SHM?

Answer 1

T = 2π × √(m/k)

Question 2

What is the formula for velocity in SHM

Answer 2

V = [(x°² - x²) × k/m]^½

k = elastic constant?
m = mass
x° = maximum displacement or amplitude
x = displacement at given time