Answer the given questions.

Item 4 of 8 Motion of Particle: : x=t3-61236t-40 where x is ft and t in seconds. Determine: a) time when velocity=0 b) velocity when x=0 c) acceleration when x=0 d) total distance travelled when x=0 Select the correct response(S):Select the correct response(S): 247 ft 427 ft 84 ft/s2 2s 144 fu/s 114 fu/s 48 ft/s2 55 ft/$2 65 472 ft 414 fu/s 4 s