AP Physics 1mediummcq1 pt
A skier slides down a frictionless slope of height 20 m (g = 10 m/s²). Her speed at the bottom is
A.20 m/s
B.depends on the slope angle
C.10 m/s
D.40 m/s
Explanation
Core Concept
v = √(2gh) = √400 = 20 m/s, independent of the slope's shape.
Correct Answer
A20 m/s
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