Physics, 16.09.2021 02:50 rosemary909
Coasting due west on your bicycle at 8 m/s, you encounter a sandy patch of road 7.2m
across. When you leave the sandy patch your speed has been reduced to 6.5 m/s. Assuming
the bicycle slows with constant acceleration, what was its acceleration in the sandy patch?
Give your answer in m/s2 and round to the nearest tenth. (0.0)
Answers: 1
Physics, 21.06.2019 19:40
Wo audio speakers are placed on a vertical rail. speaker a is placed at head-level while speaker b is place at some variable height, \delta yδy, above speaker a. both speakers receive simultaneous input from a sine-wave generator so the speakers each produce a pure sinusoidal sound wave with a wavelength of 0.531 meters. calculate the lowest height that speaker b can be placed above speaker a to produce a minimum of sound heard by person standing \delta x = 7.86δx=7.86 meters directly in front of speaker a.
Answers: 2
Physics, 22.06.2019 11:30
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
Answers: 1
Coasting due west on your bicycle at 8 m/s, you encounter a sandy patch of road 7.2m
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