12. A bead slides on the frictionless wire as shown in the figure attached. If the speed of the bead is 2.0 m/s when its at A, how fast will the bead be going at point B and at point C?
a. 2.3 m/s; 1.7 m/s
b. 2.7 m/s; 1.8 m/s
c. 3.7 m/s; 2.8 m/s
d. 4.3 m/s; 3.7m/s
Comments
Leave a comment