(II) An airplane is traveling 815 km/h in a direction 41.5° west of north (Fig. 3–40).
(a) Find the components of the velocity vector in the northerly and westerly directions.
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(II) (a) A skier is accelerating down a 30.0° hill at 1.80 m/s² (Fig. 3–42). What is the vertical component of her acceleration?

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(II) At t = 0, a particle starts from rest at 𝓍 = 0 , y = 0 and moves in the xy plane with an acceleration a (→ above a) = (4.0 î + 3.0 ĵ ) m/s². Determine

(a) the 𝓍 and y components of velocity,