What does the calculation trangle look like when calculating speed?

What is missing?

What is missing?

What is meant by speed?

The distance something travels in a certain amount of time.

What is the relative speed of two trains moving towards each other at 30 m.p.h?

60 m.p.h

How do we calculates speed?

Speed = Distance ÷ Time

What are the units of speed?

Metres per second (m/s)

What is missing?

The speed that an object travels during a complete journey is called the…

average speed.

What is meant by relative motion?

The speed that one object travels compared to another.

e.g. looking at a moving train from a stationary one feels the same as being on a moving train and looking at a stationary one.

The speed that a runner is running at any specific point during a race is called the…

instantaneous speed.

What is the relative speed of two trains moving at the same speed in the same direction?

Zero