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Suppose the z axis points out of the computer screen (toward you) and that you a

ID: 1371517 • Letter: S

Question

Suppose the z axis points out of the computer screen (toward you) and that you are observing the object. Which of the following statements best describes the motion of the object?

A. It rotates counter-clockwise between 1 and 3 seconds, and then it rotates clockwise between 3 and 7 seconds.

B. It rotates clockwise between 1 and 3 seconds, and then it rotates counter-clockwise between 3 and 7 seconds.

C. It rotates counter-clockwise between 1 and 7 seconds.

D. It rotates clockwise between 1 and 7 seconds.

az (rad/s2) 20 10 t (s) 012 34 5 6 7 85

Explanation / Answer

It rotates clockwise between 1 and 3 seconds, and then it rotates counter-clockwise between 3 and 7 seconds.