Change from rectangular to spherical coordinates.

Part B You have already traveled 30 miles east and then 30 miles north. To get back to the start, you travel 30 miles west in 1 hour and then 30 miles south in a half hour. What are your average speed and average velocity for the whole rally? Explain your answer.

(Show work) 11. A baseball player running forward at 3 meters per second throws a ball with a velocity of 20 meters per second at an angle of 20° with the horizontal. What is the resultant speed and direction of the throw? (Show work) 12. Write 18(cosl169° + isin169°) in rectangular form. Round numerical entries in the answer to two decimal places. (Show work) 13. Find the rectangular coordinates of (9, 150°) (Show work) Answer: (-93/2, 9/2) F6 7 (0 因