Suppose you place a sphere of mass ‘m’ and radius ‘r’ inside a smooth, heavy hemispherical bowl of radius of 37r placed on a horizontal table. If the sphere is given a small displacement, what is its period of oscillation?

• A. 2π√(m/37rg)
• B. 2π√(m/rg)
• C. 12π√(r/g)
• D. 2π√(r/g)