Question: 2- A mass m is attached to a spring which is held stretched a distance x by a force F (see Figure), and then released.
2- A mass m is attached to a spring which is held stretched a distance x by a force F (see Figure), and then released. The spring compresses, pulling the mass. Assuming there is no friction, determine the speed of the mass m when the spring returns: (a) to its normal length (x=0); (b) to half its original extension (x/2)
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