6) Consider a bob attached to a vertical string At t = 0, the bob is displaced to a new position where the string makes -8" with the vertical and is then released from rest. If the angular displacement e(t) is written as a cosine function, then the phase constant o is: (a) -R/2 (b)0 (c) +/2 (d)z

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6) Consider a bob attached to a vertical string At t = 0, the bob is displaced to a new position where the
string makes -8" with the vertical and is then released from rest. If the angular displacement e(t) is
written as a cosine function, then the phase constant o is:
(a) -n/2
(b)0
(c) +n/2
(d)
Transcribed Image Text:6) Consider a bob attached to a vertical string At t = 0, the bob is displaced to a new position where the string makes -8" with the vertical and is then released from rest. If the angular displacement e(t) is written as a cosine function, then the phase constant o is: (a) -n/2 (b)0 (c) +n/2 (d)
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