A stone held just beneath the surface of a swimming pool
A stone held just beneath the surface of a swimming pool isreleased and sinks to the bottom at a constant speed of 0.48 m/s.What is the apparent speed of the stone, as viewed from directlyabove by an observer who is in air?
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a stone held just beneath the surface of a swimming pool isreleased and sinks to the bottom at a constant speed of 048
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