Which of the following represents the
velocity of a moving object?
b. 40 m north
a. 40
c. 40 m/s
d. 40m/s north

D 40m/s north

Explanation: velocity is speed + direction

speed= 40m/s

direction= north

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.