Problem 1.6 determine an expression for an exponentially decaying sinusoid that oscillates three times per second and whose amplitude decreases by 50% every 2 seconds. use matlab to plot the signal over-2 a) t 2 b) when a bel is struck with a mallet, t produces a ringing sound. write an equation that approximates the sound produced by a small i. e., light) bell. your equation should include the amplitude of the sound wave. does amplitude remain constant over time? justify your answer. in addition, you should be able to hear the sound from this bell: sound is a wave in 20 hz - 20 khz frequency range c) you probably know that smaller bell will produce higher frequency sound compared to the larger and heavier bell. also, larger/heavier bell will produce a louder sound (i. e., higher amplitude). now let write an equation for the larger/heavier bell
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Physics, 21.06.2019 16:10
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Suppose you have three polarizing filters, with the second at an angle of 42β to the first and the third at an angle of 90β to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.
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Problem 1.6 determine an expression for an exponentially decaying sinusoid that oscillates three tim...
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