Flotation,speed,acceleration Flashcards
1
Q
Speed is the
A
Distance travelled per unit time
2
Q
Formula for speed:
A
Distance travelled ➗ time taken =
3
Q
Velocity is
A
The speed in a certain direction
4
Q
Unit for velocity?
A
E.g 700 km/hr NORTH WEST
5
Q
Acceleration?
A
Rate of change of the velocity or speed
6
Q
Formula for acceleration?
A
Change in velocity ➗ time
7
Q
Unit for acceleration
A
Metre per second per second
OR
Metre per second squared
8
Q
An object/substance will float if they are _______
A
Less dense than the liquid
