All Parts Please

(13%) Problem 3: At a post office: a parcel that is a 20_O-kg box slides doun a ramp inclined at 30_0C with the horizontal. The coefficient of kinetic friction between the box and plane IS 0_0300_ Part (a) Find the acceleration of the box in meters per second squared. Grade Summary Deductions P otential 100% 7 4 cotan() atan() cosh() cos() asin() acotan() tanh() tan() acos() smh() cotanh() Radi ans S 2 9 6 Submissions A tempts remain (_u per attempt) detailed view Hints : for a @Degrees Submit deductiotr Hints remaming : Feedback: BACKSPACE give up! deduction per feedback A Part (b) Find the velocity of the box: in meters per second: as it reaches the end of the plane: if the length of the plane is 2 m and the box starts at rest.