Speed (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
What type of quantity is speed?
What type of quantity is speed?
Scalar
What speed tells us
What speed tells us
How fast an object is moving, but not direction
Is speed constant?
Is speed constant?
No, speed is not constant
What type of quantity is distance?
What type of quantity is distance?
Scalar
What is displacement?
What is displacement?
Distance & direction in straight line from start to finish
Formula for speed
Formula for speed
How age affects speed
How age affects speed
Fitness decreases with age, reducing speed
How terrain affects speed
How terrain affects speed
Rough terrain has more friction, reducing speed
Why distance travelled affects speed
Why distance travelled affects speed
Lactic acid builds up from anaerobic respiration, tiring muscles
How fitness affects speed
How fitness affects speed
Better fitness means better coping with intense exercise
Normal walking speed
Normal walking speed
1.5 m/s
Running speed
Running speed
3 m/s
Cycling speed
Cycling speed
6 m/s
Fast train speed
Fast train speed
50 m/s
Speed of sound in air
Speed of sound in air
330 m/s