Apendulum that moves through its equilibrium position once every 1.000 s is sometimes called a seconds pendulum (a) what is the period of any seconds pendulum? (b) in cambridge, england, a seconds pendulum is 0.9942 m long. what is the free-fall acceleration in cambridge? (use 4 significant figures in your answer.) (c) in virginia beach, virginia, a seconds pendulum is 0.99284 m long. what is the free fall acceleration in virginia beach, virginia? (use 5 significant figures in your answer.) m/s m/s