Acar goes from rest to a velocity of 108 km/h north in 10s what is the car's acceleration in m/s2

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

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Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.