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Physics
Question | Answer |
---|---|
What is displacement | Straight line distance between start and end point |
What is Instantaneous speed | the Speed of an object at a particular instant |
What is the Doppler effect | The more speed an object has, the higher the frequency emitted for sound, light etc, and vice versa |
List three ways of measuring speed and how they work | Motion sensor: Reflection of pulses of radiation sent from the sensor Electronic sensors: When an object passes a sensor, the time it takes for the object to pass the next sensor recorded. Multi- flash photo: Image displaying the phases of an action |