An airplane increases it's speed from 0m/s to 160m/s to take off, at a constant acceleration of 4.1m/s^2 How long of a runway does the plane need? a.) 12000m
b.) 6200m
c.) 3100m
d.) 19m
e.) 5200m

Ascientist plants two rows of corn for experimentation.she put fertilizer on row 1 but does not put fertilizer on row 2 both rows receive the same amount of water and light intensity she checks the growth of the corn over 5 months what is the constant in this experiment