| Question |
 |
|
| Answer |
|
|
| Define average speed
|
total distance moved/total time taken |
| untis of Velocity |
metre per second(ms-1) |
| Acceleration |
Defined as the rate of change of velocity |
| define freefall |
no other forces are acting on it apart from gravity |
| all free-falling objects (on Earth) accelerate downwards at a rate of ? |
10 m/s/s (to be exact, 9.8 m/s/s) |
| Object at rest has ... |
zero velocity |
| formula for velocity |
displacement(linear distance)/time taken |
| formula for speed |
distance/time |
| what is direction of acceleration? |
direction of change in velocity |
| the direction of the accelerated motion is towards? |
the centre of the earth |
| speed of light in vacuo |
3x10^8 ms-1 |
| what is the speed of sound at room temperature? |
330 ms-1 |
| a |
a |
MedTemCP5 Word+Pics
