Question
It's nighttime, and you've dropped your goggles into a 3.1-mm-deep swimming pool. If you hold a laser pointer 1.2 mm above the edge of the
| It's nighttime, and you've dropped your goggles into a 3.1-mm-deep swimming pool. If you hold a laser pointer 1.2 mm above the edge of the pool, you can illuminate the goggles if the laser beam enters the water 1.9 mm from the edge. | Part A How far are the goggles from the edge of the pool? |
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Physics Of The Earth
Authors: Frank D. Stacey, Paul M. Davis
4th Edition
0521873622, 9780521873628
