A turtle with a red paint brush attached to its shell is placed on a grid. The turtle is allowed to crawl around the grid at random and traces out the path shown on the left. Each square is 10m X 10m.
a) Calculate the total distance covered by the turtle.
b) Calculate the displacement of the turtle.

The turtle takes 40 minutes to complete its journey
c) Calculate the average speed of the turtle.
d) Calculate the average velocity of the turtle.

An ant crawls around a pathway in search of food. Its movement is traced out on the image on the left.
a) Calculate the total distance covered by the ant.
b) Calculate the displacement of the ant.

The ant takes 30 minutes to complete its journey
c) Calculate the average speed of the ant.
d) Calculate the average velocity of the ant.

A hiker sets out on the course shown on the right. It takes her 3 hours to complete her journey.

A turtle with a red paint brush attached to its shell is placed on a grid. The turtle is allowed to crawl around the grid at random and traces out the path shown on the left. Each square is 10m X 10m.
a) Calculate the total distance covered by the turtle.
b) Calculate the displacement of the turtle.

The turtle takes 60 minutes to complete its journey
c) Calculate the average speed of the turtle.
d) Calculate the average velocity of the turtle.

a) Calculate the total distance the ball travels
b) Calculate the displacement of the ball.

The ball takes 30 minutes to complete one revolution
c) Calculate the average speed of the ball.
d) Calculate the average velocity of the ball.

A motorbike rider heads West on a straight road for what should be a 300km trip. She goes 110km in 50 minutes and then realises she has dropped her hand bag. She backtracks 50km in 20 minutes, finds the wallet and continues on her way. It takes her 2 hours to complete her journey.
a) What is the distance covered by the rider?
b) What is the displacement of the rider at the end?
c) What is her average speed of the rider?
d) What is her average velocity?

Solution