Physics, 02.10.2020 18:01 MarishaTucker
Which pieces of safety equipment should be worn if you are working with sodium hydroxide, a strong base, in a chemistry lab?
A)apron and mask
B)goggles and apron
C)apron and respirator
D)goggles and chest protector
Answers: 3
Physics, 21.06.2019 22:40
The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively
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Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
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What happens when a rubber rod is rubbed with a piece of fur?
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Physics, 22.06.2019 23:00
Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?
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Which pieces of safety equipment should be worn if you are working with sodium hydroxide, a strong b...
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