An aircraft travels a distance of 50km in a straight line due north in 250 s.
Calculate the aircraft's average velocity in m/S

200 m/s

Explanation:

v = distance / time = 50km/250s = 50000m/250s = 200 m/s

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.