Physics, 01.12.2020 21:10, kornut5536
Which of the following is a characteristic of science? (3 points)
It asks questions about the natural world.
It asks questions that cannot be tested.
It is done by only one scientist at a time.
It uses opinions to make conclusions.
Answers: 1
Physics, 22.06.2019 15:20, mjwaple57
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 16:40, dylan6981
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
Answers: 3
Physics, 22.06.2019 23:30, aly5839
Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?
Answers: 1
Which of the following is a characteristic of science? (3 points)
It asks questions about the natur...
Mathematics, 25.11.2020 18:10
History, 25.11.2020 18:10
History, 25.11.2020 18:10
Mathematics, 25.11.2020 18:10
Mathematics, 25.11.2020 18:10
Spanish, 25.11.2020 18:10