5.12 measurements and kinematics 📐

Question 1

distinguish between distance and displacement

Answer 1

distance is the actual path travelled by an object while displacement is the distance of a straight line between two points in a specified direction

Question 2

distinguish between speed and velocity

Answer 2

speed is the distance travelled per unit time while velocity is the rate of change of displacement

Question 3

define acceleration

Answer 3

acceleration is the rate of change of velocity