Physics, 07.12.2019 05:31 exoticbunnylover123
Atransverse wave on a string has an amplitude a. a tiny spot on the string is colored red. as one cycle of the wave passes by, what is the total distance traveled by the red spot?
a.) 4a
b.) 1/2 a
c.) 1/4 a
d.) a
e.) 2a
Answers: 2
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The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
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Answers: 3
Atransverse wave on a string has an amplitude a. a tiny spot on the string is colored red. as one cy...
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