A block-spring system oscillates with an amplitude of 3.50 cm. The spring constant is 250 N/m, and..

A block-spring system oscillates with an amplitude of 3.50 cm. The spring constant is 250 N/m, and the mass of the block is 0.500 kg. Determine (a) the mechanical energy of the system, (b) the maximum speed of the block, and (c) the maximum acceleration. The bob of a certain pendulum is a sphere filled with water. What would happen to the frequency of vibration of this pendulum if there were a hole in the sphere that allowed the water to leak out slowly?

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