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Speed
| Question | Answer |
|---|---|
| What is the S.I unit for speed? | m/s |
| What are the two main factors that affect speed? | Distance and time |
| Speed can be measured using a . . . | speedometer |
| What is the fastest possible speed at which energy can travel? | The speed of light, 299792498m/s |
| What is the difference between velocity and acceleration? | velocity is the rate at which the position changes and acceleration is the rate at which the speed changes. |
| Define velocity. | The rate of change of a position. |
| Define acceleration. | The rate of change of the velocity of an object |
| What is faster the speed of light or the speed of sound? | The speed of light is faster that is why you see lighting before you hear thunder. |
| What is the difference between speed and velocity? | when talking about velocity we must include a direction, this is not nesscessary when talking about speed. |