If 7 ocean waves pass a point in 4 minutes, then the frequency of the wave is:
4/7 Hz
7...
Physics, 12.06.2021 01:00, JocelynC24
If 7 ocean waves pass a point in 4 minutes, then the frequency of the wave is:
4/7 Hz
7/420 Hz
4/420 Hz
7/4 Hz
Hurry pleas
Answers: 3
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Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
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With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
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