Aweatherman carried an aneroid barometer from the ground floor to his office atop the sears tower in chicago. on the level ground, the barometer reads 30.15in. hg. a; topside read 28.607in. hg. a. the average atmospheric air density was 0.075 lb/cu. ft. estimate the height of the building.
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Physics, 22.06.2019 17:30
Does heating a metal wire increase or decrease its electrical resistance? why?
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Physics, 22.06.2019 21:00
Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.
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Physics, 23.06.2019 02:20
3. a particle with initial velocity vâ 0=(5.85Ă103m/s)j^ enters a region of uniform electric and magnetic fields. the magnetic field in the region is bâ =â(1.35t)k^. you can ignore the weight of the particle. a. calculate the magnitude of the electric field in the region if the particle is to pass through undeflected, for a particle of charge +0.640 nc.
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Physics, 23.06.2019 05:00
How long will it take a car traveling of a constant speed of 45m/s to cover the distance of a 2.5km?
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Aweatherman carried an aneroid barometer from the ground floor to his office atop the sears tower in...
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