A simple pendulum performs SHM in a vertical plane with an amplitude of 5.00Cm at time zero, the Bob has a displacement of 5.00cm from it's equilibrium position. if it passes through the equilibrium position 0.500s later, determine the period of the motion

e) none of the above answers are correct

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19