speed revision 4.1 4.2 4.3

Speed is measure of how fast something is moving

• True

• false

Speed is measured in

• m\s km \h

• mph

• km per unit

speed =

• none of above

• km time ms

• distance divide time

• distance divide km

precision is shown by the number of siginficant numbers

• false

• true

Accuracy tells you how correct answer is

• false

• true

The delay is called the

• Reaction time

• accuracy

• reaction brain

• time

A distance time graph

• is a useful way of showing how something is moving

• none above

• when u drop a correct answer

A straight upward sloping line means a steady speed

• True

• False

Acceleration =

• final speed-starting speed divide time

• speed divide time

• time divide distance

• none of the above

Accleration is a change in speed divide by time

• true

• false

• none above