The period is expressed as:
, where L is length and g is the acceleration due to gravity.
1. What is the period of a 693 cm long pendulum with a bob of mass 68.0 kg? Assume the acceleration due to gravity is 9.8 m/s^2.
a. 6.28 hz
b. 5.28 sec
c. 7.47 hz
d. 7.47 sec
2. -Aω^2 cos(ωt) is the expression for:
d. None of the above
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