The 40-lb crate is released from rest on the smooth inclined surface with the spring unstr...

The 40-lb crate is released from rest on the smooth inclined surface with the spring unstretched. The spring constant is k = 8 lb/ft.

(a) How far down the inclined surface does the crate slide before it slops?

---

(b) What maximum velocity does the crate attain on its way down?