What happens to particles of the medium in a mechanical wave?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.