s,v,a
| Description: | Physics |
| Category: | Physics |
| Created by: | jolimzy on 2005-05-20 |
| 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 |
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