Homework 4 (Ch. 4) 30f12 -/1 ;= Current Attempt in Progress The velocity 7)) of a particle moving in the xy plane (5.5 r 5.0 )? + 9.0 3", with 7)) in meters per second and t (> O) in seconds. At t = 1.4 s and in unitvector notation, what are (a) the x component and (b) the y component of the acceleration? (c) When (if ever) is the acceleration zero? (d) At what positive time does the speed equal 10 m/s? . . > IS given by U (a) Number n '1: Unit G (b) Number n liUnit C (c) Number n Unit 0 (d) Number n Unit G