(a) What is the effect on the period of a pendulum if you double its length? O The period is increased by a factor of 2. The period is decreased by a factor of v 2. The period is decreased by a factor of 2. The period would not change. The period is increased by a factor of \\ 2. (b) What is the effect on the period of a pendulum if you decrease its length by 8.05%? (Answer this question in terms of the initial period T.) T= T