P2.3.1 - Speed Flashcards Preview

SHHS - Science - P2.3 - Motion and Pressure - Year 8 > P2.3.1 - Speed > Flashcards

Flashcards in P2.3.1 - Speed Deck (12)
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1

What does the calculation trangle look like when calculating speed?

2

What is missing?

3

What is missing?

4

What is meant by speed?

The distance something travels in a certain amount of time.

5

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

60 m.p.h

6

How do we calculates speed?

Speed = Distance ÷ Time

7

What are the units of speed?

Metres per second (m/s)

8

What is missing?

9

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

average speed.

10

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.

11

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

instantaneous speed.

12

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

Zero