**A mass on the end of a spring is streteched a distance x from equilibrium and released. At what distance from equilibrium will it have a)velocity equal to half its maximum velocity, and b) acceleration equal to half its maximum acceleration?**

**Answer:**

**A mass on the end of a spring is streteched a distance x from equilibrium and released. At what distance from equilibrium will it have a)velocity equal to half its maximum velocity, and b) acceleration equal to half its maximum acceleration?**

**Answer:**