An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm . What is the acceleration of the object at t= 2.50 s ?
Choices are :
A)0.784 cm/s2
B)11.5 cm //s2
C)14.9 cm/s2
E)1.33 cm/s2
Please, show your work detailed . Thank you