Average Speed Calculation

00:00 1 marks

A car travels a distance $d$ at a constant speed $v$, and then travels a further distance $2d$ at a constant speed $2v$. What is the average speed for the entire journey?

A

Speed remains $v$
B

Average speed is $1.5\,v$
C

Average speed is $1.33\,v$
D

Average speed is $1.67\,v$

Hint Hint

Hint

Determine the total distance and the total time taken before dividing to find the average speed.

Answer Answer
Mark Scheme Mark Scheme
Explanation Explanation
Examiner Tips Examiner Tips
Common Errors Common Errors
Real World Context Real World Context

Answer Answer

Complete Answer

Average speed is $1.5\,v$

Mark Scheme Mark Scheme

Answer Explanation Answer Explanation

Examiner Tips Examiner Tips

Common Errors Common Errors

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