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2. A skier weighing 800 N comes down a frictionless ski run that is circular (R-...

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2. A skier weighing 800 N comes down a frictionless ski run that is circular (R- 30 m) at the bottom, as shown at position B. If her speed is 12 m/s at point A, what is her speed at the bottom of the hill (point B)? 40
2. A skier weighing 800 N comes down a frictionless ski run that is circular (R- 30 m) at the bottom, as shown at position B. If her speed is 12 m/s at point A, what is her speed at the bottom of the hill (point B)? 40

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