What is the horizontal acceleration of a ball that is launched horizontally with a velocity of 5.6 m/s?

a.–9.8 m/s2
b.0 m/s2
c.5.6 m/s2
d.9.8 m/s2

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.