Taylor was thirsty and decided to mix up a pitcher of lemonade. she put lemon juice, water, and sugar into a pitcher and stirred it to create this wonderful new drink. how could taylor decide if she just created a mixture or a compound? a) it must be a compound because it all looks the same b) if it were a compound, there would have been an explosion c) it must be a mixture as she can separate all of the individual ingredients eliminate d) it must be a compound as she can separate all of the individual ingredients

Review multiple-concept example 7 in this chapter as an aid in solving this problem. in a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. in one instance, the radius of the circle is 0.626 m. at one point on this circle, the ball has an angular acceleration of 66.1 rad/s2 and an angular speed of 12.6 rad/s. (a) find the magnitude of the total acceleration (centripetal plus tangential) of the ball. (b) determine the angle of the total acceleration relative to the radial direction.