O present time and speed data on a distance-time graph. KEY WORDS
distance, speed, time
TASK
Sam leaves home at 8 am and drives for half an hour, covering 20 miles. At first his speed increases but, after 25 minutes, it starts to decrease until he stops.
Sam leaves the car and sits for 15 minutes in a coffee shop then walks to a gallery, which is in the opposite direction to his home, for 30 minutes at a constant rate of 4 mph.
He stays at the gallery for an hour then walks back to his car at 3 mph.
He drives home and reaches it at 11.19 am.
Questions
01.​How far does Sam walk from the coffee shop to the gallery?
02. What time is it when he leaves the gallery?
03. How long does it take him to walk back to the car?
04. How long does his drive home take?
05. What is Sam’s average speed on his return car journey?
06. Draw a graph of distance against time to show Sam’s whole journey.