700 miles away, to try out his luck. the ride there with the wind takes four hours. a few months later almost broke he heads back, on the same plane and the same wind. the flight then, against the wind, takes five hours. what is the speed of the plane and what is the speed of the wind?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Aphysical change is a change in the size, shape,, or stafe of matter true or false

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?