In our index notation a', b and ckm represent a vector, a one-form and a tensor in some cartesian coordinate system. as usual, the metric tensor is denoted by g for each of the following geometric objects represented in index notation, identify the free indices, how many components the object has and what kind of tensor it is a) a bi b) gkbk d) a'b e) gkb& cim

Which notation is used to represent an alpha particle? a. b. c. d.

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

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings