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1. A simple harmonic oscillator consists of a block of mass 4.20 kg attached to a...

1. A simple harmonic oscillator consists of a block of mass 4.20 kg attached to a spring of spring constant 290 N/m. When t = 2.10 s, the position and velocity of the block are x = 0.141 m and v = 3.530 m/s. (a) What is the amplitude of the oscillations? What were the (b) position and (c) velocity of the block at t = 0 s?

2. If you took your pendulum to the moon, where the acceleration due to gravity is one sixth of what it is on Earth, would you expect the period to be longer, shorter, or the same as on Earth? Please explain your answer.
3. On a playground swing, is the time required per cycle longer or shorter when you stand rather than sit? Please explain your answer

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