Which of the following is the best explanation for velocity? *
The distance an object travels in a set amount of time.
How fast or slow an object is moving.
The amount of time it takes an object to move.
O
The speed and direction an object travels.

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

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 of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero