Multiple Choice
When rotating about a high bar a gymnast's centre of mass is 0.724 m away from the bar, and their body angle changes from 48° to 56.7° in 0.04 s. Calculate: i) the angular velocity in both deg/s and rad/s; and ii) the centripetal acceleration.
A) 218 deg/s, 3.80 rad/s & 10.43 m/s2
B) -218 deg/s, -3.80 rad/s & 10.43 m/s2
C) 218 deg/s, -3.80 rad/s & 10.43 m/s2
D) 218 deg/s, 3.80 rad/s & -10.43 m/s2
E) -218 deg/s, -3.80 rad/s & -10.43 m/s2
Correct Answer:

Verified
Correct Answer:
Verified
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