Answers: 3
Another question on Physics
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 18:00
Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.
Answers: 2
Physics, 22.06.2019 18:30
Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s.when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
You know the right answer?
If u get this right ill give brain banna x BaNaNa+:=?...
Questions
Mathematics, 24.10.2020 08:30
Mathematics, 24.10.2020 08:30
Chemistry, 24.10.2020 08:30
Mathematics, 24.10.2020 08:30
Mathematics, 24.10.2020 08:30
English, 24.10.2020 08:30
Mathematics, 24.10.2020 08:30
Mathematics, 24.10.2020 08:30
Mathematics, 24.10.2020 08:30
English, 24.10.2020 08:30
Physics, 24.10.2020 08:40
