A skier weighing 0.80 kN comes down a frictionless ski run that is circular (R = 30 m)at the bottom,as shown.If her speed is 12 m/s at point A,what is her speed at the bottom of the hill (point B)?
A)17 m/s
B)19 m/s
C)18 m/s
D)20 m/s
E)12 m/s

Question

A skier weighing 0.80 kN comes down a frictionless ski run that is circular (R = 30 m)at the bottom,as shown.If her speed is 12 m/s at point A,what is her speed at the bottom of the hill (point B)? 
A)17 m/s 
B)19 m/s 
C)18 m/s 
D)20 m/s 
E)12 m/s

Quizplus · Accepted Answer

The Answer of A skier weighing 0.80 kN comes down a frictionless ski run that is circular (R = 30 m)at the bottom,as shown.If her speed is 12 m/s at point A,what is her speed at the bottom of the hill (point B)? 
A)17 m/s 
B)19 m/s 
C)18 m/s 
D)20 m/s 
E)12 m/s

A Skier Weighing 0