2. A 4.0 kg solid ball is released from rest from a height Y, as shown, on an inclined plane, and rolls without slipping down the plane to level ground. The radius of the ball is 0.20 m. The speed of the ball at the bottom of the inclinc is 6.0 m/s. What is the height Y. a) 2.20 m b) 1.47 m c) 2.57 m d) 1.84 m c) none of the above 1 myz msy = Y = 257 m