Difference between revisions of "009A Sample Final 2, Problem 5"
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Revision as of 18:55, 18 February 2017
A lighthouse is located on a small island 3km away from the nearest point on a straight shoreline and its light makes 4 revolutions per minute. How fast is the beam of light moving along the shoreline on a point 1km away from
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Solution:
(a)
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(b)
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(c)
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| (a) |
| (b) |
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