Physics, 08.06.2021 18:50 nananunu2747
A student lifts a bucket with a 98 N force in 30
seconds out of a well. If the bucket is lifted 30 m:
(a) How much work is done on the bucket by the student
(b) How much power is exerted by the student?
Answers: 1
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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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Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
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A student lifts a bucket with a 98 N force in 30
seconds out of a well. If the bucket is lifted 30...
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