The period of a mass-spring oscillator is 2.14 s. Every time the oscillator completes a full period, the amplitude of the oscillation gets reduced to 92.0 percent of the previous amplitude. How much time does it take for the amplitude to decay to 47.2 percent of its original initial value

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d