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It's nighttime, and you've dropped your goggles into a 2.8-m-
deep swimming pool. If you hold a laser pointer 1.0 m above
the edge of the pool, you can illuminate the goggles if the
laser beam enters the water 2.2 m from the edge.
Part A
How far are the goggles from the edge of the pool?
Express your answer to two significant figures and include the appropriate units.
d=
Submit
μA
Value
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