<prompt> Mfumo fulani wa spring-mass unakidhi tatizo la awali la thamaniuprime primefrac14 uprimeuk gt, quad u00, quad uprime0 0ambapo gtu_3 2t-u_5 2t na k0 ni kigezo.Tuseme k2. Tafuta wakati tau baada ya hapo ut0.1 kwa ttau zote.  <response>: 25.6773 