Physics, 12.09.2021 16:20 emarquez05
A partially evacuated airtight container has a tight-fitting lid of surface area 77 m2 and negligible mass. If the force required to remove the lid is 480 N and the atmospheric pressure is 1.0 Γ 105 Pa, what is the internal air pressure?
Answers: 3
Physics, 21.06.2019 18:30
A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s
Answers: 3
Physics, 22.06.2019 09:00
One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form
Answers: 1
Physics, 22.06.2019 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
Physics, 23.06.2019 02:30
Asatellite with an orbital period of exactly 24.0 h is always positioned over the same spot on earth. this is known as a geosynchronous orbit. television,communication, and weather satellites use geosynchronous orbits. at what distance would a satellite have to orbit earth in order to have a geosynchronous orbit?
Answers: 2
A partially evacuated airtight container has a tight-fitting lid of surface area 77 m2 and negligibl...
Medicine, 12.01.2021 16:10
Mathematics, 12.01.2021 16:10
Geography, 12.01.2021 16:10
Mathematics, 12.01.2021 16:10
Mathematics, 12.01.2021 16:10
Mathematics, 12.01.2021 16:10
Geography, 12.01.2021 16:20
History, 12.01.2021 16:20
Biology, 12.01.2021 16:20
Mathematics, 12.01.2021 16:20