A 30.0- goldfinch lands on a slender branch, where it oscillates up and down with simple harmonic motion of amplitude 3.50×10?2 and period 1.50.
a) What is the maximum acceleration of the finch?
b) Express your answer as a fraction of the acceleration of gravity,
c) What is the maximum speed of the goldfinch?
d) At the time when the goldfinch experiences its maximum acceleration, is its speed a maximum or a minimum?