In usa, butter is generally sold by pounds, with four sticks per pound and each stick being 11.45 cm in length.

(a) if each stick is in the shape of a rectangle with square cross-section, find the dimensions of each stick (cm). for butter: k 1⁄4 0.2 w/(m k); r 1⁄4 998 kg/m3 ; cp 1⁄4 2,300 j/(kg k).
(b) suppose that a stick of butter is maintained for a week at 280 k. it is then placed in the surroundings at room temperature (293 k) so that all the six sides are exposed to air with h 1⁄4 8 w/(m2 k). find the temperature (k) at the center of a single stick after 1 h.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

The material that keeps its new shape after it is stretched is called?

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.