A 60-kg skier pushes off the top of a frictionless hill with an initial speed of 4.0 m/s. How fast will she be moving after dropping 10 m in elevation? Air resistance is negligible.
A) 10 m/s
B) 15 m/s
C) 0.15 km/s
D) 0.20 km/s
E) 49 m/s

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The Answer of A 60-kg skier pushes off the top of a frictionless hill with an initial speed of 4.0 m/s. How fast will she be moving after dropping 10 m in elevation? Air resistance is negligible.
A) 10 m/s
B) 15 m/s
C) 0.15 km/s
D) 0.20 km/s
E) 49 m/s

A 60-Kg Skier Pushes Off the Top of a Frictionless