El ángulo entre los vectores: a=(-9,1) y b=(-8,7). A. 44,9°
B. 17,5°
C. 7,5°
D. 34,9°

What is the magnitude of the resultant vector round your answer to the nearest tenth

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?