Question

Having problem on question C.

he motion of a mas, e × search Textbook Sol × \ e The Motion Of A Mas x \ > C o https://www.w ussign.net/web/Student/Assignment-Responses/submit?dep-203 Log in to manage 8668 Barcl... HyperPhy g in to Canvas Desmos I Grap Mail - Martin.Cort...Welcome to 23 points Previous Answers The motion of a mass connected to a spring is described by the equation (in SI units) x = 10 sin(3.85t + 1.047) a) What is the period of oscillation? 1.632 b) What is the positive displacement x when the kinetic energy equals the potential energy? 7.07107 m sec c) At what positive time is this condition and displacement achieved? 0.4694Xsec Submit Answer Save Progress

Answer 1

c)

x = 7.07107 m

displacement is given as

x = 10 Sin(3.85 t + 1.047)

7.07107 = 10 Sin(3.85 t + 1.047)

0.707107 = Sin(3.85 t + 1.047)

2.355 = 3.85 t + 1.047

t = 0.34 sec