Aparallel-plate capacitor has an area of
4.90 cm2
and the plates are separated by
0.500 mm. the capacitor stores a charge
of 391.0 pc.
what is the potential difference across the
plates of the capacitor? the permittivity of a
vacuum is 8.8542 × 10−12 c
2
/n · m2
.
answer in units of v.

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

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