If a train travels 80 miles north, 60 miles east, what's the magnitude of its total displacement? Find the solution by drawing a diagram. _miles

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8

Five structural isomers have the formula c6h14. where needed, draw the structure and give the iupac name of all five isomers.