Your answer is partially correct. A point on the surface of a solid sphere (radius = 0.954 m) is attached directly to a pivot on the ceiling. The sphere swings back and forth as a physical pendulum with a small amplitude. What is the length of a simple pendulum that has the same period as this physical pendulum? Number 381.6 Units m

A 0.95 kg mass hanging from a spring oscillates up and down according to the equation z(t) = (6.34 cm) sin ( (8.53 rad/s)t + π/4 ). What is the spring constant of the spring? Give your answer in units of N/m.

The period of a simple pendulum (T) is measured as a function of length (L) on an unknown planet. The dependence of of L is linear (see the graph below). Use the slope of this graph to calculate the acceleration of gravity on this planet, in m/s2. 0.25 y = 0.0909x 0.2 0.15 0.1 0.05 Plot Area 0.5 1 1.5 2 2.5 L (m) T?/4 pi?(s')

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