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Combined Science Physics Paper1 (GCSE Edexcel (9-1) Exam Questions And All Correct Answers.
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What is a scalar quantity? - Answer One that has magnitude (size) only. What is a vector quantity? - Answer One that has magnitude (size) and direction. These are examples of scalar quantaties: - Answer Distance, speed, mass, energy. These are examples of vector quantaties: - Answ...

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  • October 25, 2024
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Combined Science Physics Paper1
(GCSE Edexcel (9-1) Exam Questions
And All Correct Answers.


What is a scalar quantity? - Answer One that has magnitude (size) only.



What is a vector quantity? - Answer One that has magnitude (size) and direction.



These are examples of scalar quantaties: - Answer Distance, speed, mass, energy.



These are examples of vector quantaties: - Answer Displacement, velocity, acceleration, force, weight,
momentum.



What is velocity? - Answer Speed in a given direction.



What is the equation for (average) speed? - Answer Distance travelled ÷ time taken



What are the units of speed? - Answer m/s



What is the equation for distance travelled? - Answer average speed x time taken



How do you find the speed from a distance time graph? - Answer Calculate the gradiant of the distance
time graph.



What are the units of acceleration? - Answer m/s/s or m/s squared

, How do you find the acceleration from a speed time graph? - Answer Calculate the gradiant of the
speed time graph.



How do you find the distance travelled from a speed time graph? - Answer Calculate the area under the
graph.



What does a horizontal line on a speed time graph show? - Answer Constant speed.



What does a horizontal line on a distance time graph show? - Answer No movement



What does a steep line on a speed time graph show? - Answer Fast acceleration.



What does a steep line on a distance time graph show? - Answer Fast speed.



What is a light gate? - Answer An electronic timer that measures the time taken for an IR beam to be
broken.



What is the advantage of a light gate? - Answer More accurate as does not involve human reaction
times.



What is typical walking speed? - Answer 1.5 m/s



What is a typical running speed? - Answer 5 m/s



What is a typical cycling speed? - Answer 6 m/s



What is a typical driving speed in built up areas? - Answer 10 m/s



What is a typical driving speed on motorways? - Answer 30 m/s

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