A metal bar is 2.60 m long at 21C. The bar is uniformly heated to a temperature of 28C. The change in length is measured at 7.0  106 m. What is the coefficient of linear expansion for the bar?

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Abeverage can is made of 3004-h19 aluminum alloy (elastic modulus 69 gpa, tensile yield strength 285 mpa, density 2.72 g/cm^3). the dimensions on the can are approximated as a thin-walled cylinder with a height of 4.83 inches, diameter of 2.60 inches. empty the can has a mass of 14.2 g. determine: a. the wall thickness of the cylinder b. assuming a pinned-pinned condition what is the critical load? c. assuming a fixed-fixed condition what is the critical load?