Physics, 08.08.2019 23:20 makaylasulak5462
Suppose you are given the task of measuring the colors of the brightest stars, listed in appendix j, through three filters: the first transmits blue light, the second transmits yellow light, and the third transmits red light. if you observe the star vega, it will appear equally bright through each of the three filters. which stars will appear brighter through the blue filter than through the red filter? which stars will appear brighter through the red filter? which star is likely to have colors most nearly like those of vega?
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Physics, 21.06.2019 15:00
An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz
Answers: 1
Physics, 22.06.2019 18:30
Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.
Answers: 1
Physics, 22.06.2019 20:30
This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.
Answers: 1
Suppose you are given the task of measuring the colors of the brightest stars, listed in appendix j,...
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