Physics, 21.11.2019 06:31 ghanim1963
Adiffraction grating contains 15,000 lines/inch. we pass a laser beam through the grating. the wavelength of the laser is 633 nm. on a screen 2.66m away, we observe spots of light. (a) how far (m) from the central maximum (m = 0) is the first-order maximum (m = 1) observed? (b) how far (m) from the central maximum (m = 0) is the second-order maximum (m = 2) observed? do not calculate this using the
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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
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Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?
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Adiffraction grating contains 15,000 lines/inch. we pass a laser beam through the grating. the wavel...
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