A spring with spring constant *k* = 170 N/m is at the top of a frictionless incline of angle *θ* = 38°. The lower end of the incline is distance *D* = 1.0 m from the end of the spring, which is at its relaxed length. A 2.4 kg canister is pushed against the spring until the spring is compressed 0.16 m and released from rest.

**(a)** What is the speed of the canister at the instant the spring returns to its relaxed length (which is when the canister loses contact with the spring)?

**(b)** What is the speed of the canister when it reaches the lower end of the incline?

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