The displacement of a spring vibrating in damped harmonic motion is given by the following equation. find the first four times when the spring is at its equilibrium position,
y = 0,
and starting at time
t = 0.
(enter your answers as a comma-separated list.)
y = 8 e−2t sin(2πt)
t =

incorrect: your answer is incorrect.

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.