Multiple Choice
Suppose a 15-centimeter pendulum moves according to the equation 
where 
is the angular displacement from the vertical in radians and t is the time in seconds. Determine the rate of change of 
when t = 7 seconds. Round your answer to four decimal places.
A) 2.5034 radians per second
B) 3.6185 radians per second
C) 0.3129 radians per second
D) 3.1535 radians per second
E) 4.1724 radians per second
Correct Answer:
Verified
Correct Answer:
Verified
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