Work-Energy Theorem: A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 m. If the coefficient of kinetic friction between the object and the surface is 0.20, what was the initial speed of the object?
A. 9.8 m/s
B. 6.3 m/s
C. 3.6 m/s
D. 7.2 m/s
E. 8.9 m/s
Answer: B
Physics & Space Science
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