A 60-Kg Skier Starts from Rest from the Top of a 50-M

question 54

Multiple Choice

A 60-kg skier starts from rest from the top of a 50-m high slope.If the work done by friction is -6.0 kJ,what is the speed of the skier on reaching the bottom of the slope?

• A)17 m/s
• B)24 m/s
• C)28 m/s
• D)31 m/s

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