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2 . A 1.25 kg ball is attached to a spring and describes a horizontal circle, as illustrated. At the moment shown, the length of the spring is 0.83m and θ = 35∘ /2 a. Draw a free-body diagram of the ball. /3 b. Find the magnitude of the force that the spring exerts on the ball. /3 c. Find the angular speed of the system. /2 d. Find the natural length of the spring if k = 150 N/m. (2 pts)

2 . A 1.25 kg ball is attached to a spring and describes a horizontal circle, as illustrated. At the moment shown, the length of the spring is 0.83m and θ = 35∘ /2 a. Draw a free-body diagram of the ball. /3 b. Find the magnitude of the force that the spring exerts on the ball. /3 c. Find the angular speed of the system. /2 d. Find the natural length of the spring if k = 150 N/m. (2 pts)

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2 . A 1.25 kg ball is attached to a spring and describes a horizontal circle, as illustrated. At the moment shown, the length of the spring is 0.83 m and θ = 35 ∘ /2 a. Draw a free-body diagram of the ball. /3 b. Find the magnitude of the force that the spring exerts on the ball. 13 c. Find the angular speed of the system. / 2 d. Find the natural length of the spring if k = 150 N / m . (2pts)

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