Acertain car's drive-train produces a force of 5300 n as it accelerates from 0
to 60 mph in 10.0 seconds. if this acceleration covers a distance of 125 m.
determine the power output of the car's engine.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

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

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false