i think I know what the issue is. I have been using radians, not degrees!
t1 should 0.1 seconds and t2 should be 0.2 s. The change in time should be 0.1 seconds, which is the answer.
Homework Statement
A vertical spring stretches 9.6 cm when a 1.3kg block is hung from its end.This block is then displaced an additional 5.0 cm downward and released from rest. Calculate the time it takes the object to go from a point 0.025 m below its equilibrium position to a point 0.025 m...