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The speed of waves on a guitar string is 113 m/s.
1) What is the fundamental frequency of the string when the effective string length is 68.7 cm?
2) What is the fundamental frequency of the string when the effective string length is 50.4 cm?
3) What is the fundamental frequency of the string when the effective string length is 30.8 cm?
Answer in units of Hz.
The distance among the eyepiece and the objective lens in a certain compound microscope is 29.2 cm. The focal length of the objective is 0.520 cm, and that of the eyepiece is 1.90 cm. Discover the overall magnification of the microscope.
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