Physics, 25.06.2019 20:30 mathman783
What's the momentum of a 3.5-kg boulder rolling downhill at 5 m/s?
Answers: 1
Physics, 22.06.2019 15:20
Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
Physics, 22.06.2019 16:00
Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?
Answers: 1
Physics, 23.06.2019 02:30
Anthropology is the study of the effects of disease on the body, while forensic anthropology studies the disease of crime a.) true b.) false
Answers: 2
Physics, 23.06.2019 08:30
Which is gerrymandering a problem for the house of representatives but not the senate? a.) members of the house are greatly influenced by their political parties. b.) senators serve longer terms than members of the house. c.) members of the house are more influenced by changes in public opinion. d.) senators are elected in statewide elections rather than in specific districts.
Answers: 1
What's the momentum of a 3.5-kg boulder rolling downhill at 5 m/s? ...
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