Physics, 27.05.2021 18:00 dakotacsey03
3 Sketch a length of ticker-tape that represents the following motion:
a) a trolley moving at a constant speed
b) a trolley slowing down
c) a trolley with a positive acceleration
Answers: 1
Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 12:10
An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
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 15:50
Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
Answers: 3
3 Sketch a length of ticker-tape that represents the following motion:
a) a trolley moving at a con...
Mathematics, 11.02.2021 06:50
Mathematics, 11.02.2021 06:50
Mathematics, 11.02.2021 06:50
Mathematics, 11.02.2021 06:50
Mathematics, 11.02.2021 06:50
Mathematics, 11.02.2021 06:50