Physics, 27.03.2021 04:10 tatayanamarie5909
An airplane is travelling across the country on a 3250 km journey that takes 5 hours to complete. For the first 400 km
of the trip, the plane travels at 266.67 Then, the plane travels at 346.15 for 3.25 hours. The final leg of the
journey is completed at an unknown speed.
a. What speed does the airplane travel during the final portion of the trip, in km/h?
b. What was the average speed of the airplane for the whole trip, in km/h?
Answers: 3
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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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Physics, 22.06.2019 16:00
The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.
Answers: 2
Physics, 22.06.2019 23:50
The star nearest to our sun is proxima centauri, at a distance of 4.3 light-years from the sun. how far away, in km, is proxima centauri from the sun?
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An airplane is travelling across the country on a 3250 km journey that takes 5 hours to complete. Fo...
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