1. The moment of inertia of a solid sphere about an axis through its center is Isphere = 2/5mr^2 a. Determine the moment of inertia of a solid sphere of radius 5.0 cm and mass 0.38 kg.

b. Determine the moment of inertia of a solid sphere of the same material that has twice the radius.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up