A skier whose weight is 0.70 kN passes over the top of a frictionless circular hill as shown in the image. If at point A, his speed is 9.2 m / s, what will his speed be at the top of the hill ( point B)? Answers: a) 3.1 m/s b) 6.2 m/s c) 5.2 m/s d) 4.1 m/s e) 6.5 m/s

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