Paper 2 H - SAMPLE SET 1 Q1 Answers
Questions
1) Four students tested their reaction times using a computer program.
When a green light appeared on the screen the students had to press a key.
Table 1 shows their results.
1) Four students tested their reaction times using a computer program.
When a green light appeared on the screen the students had to press a key.
Table 1 shows their results.
1.1) What is meant by ‘reaction time’ in this experiment? [1 mark]
1.2) Boy 2 had an anomalous result in Test 2. Suggest a reason why. [1 mark]
1.3) Give one conclusion that can be made from the results in Table 1. [1 mark]
1.4) Suggest further evidence that you could collect to support your conclusion. [1 mark]
Reaction time is important at the start of a race.
Table 2 shows the time taken by a boy to run different distances.
1.2) Boy 2 had an anomalous result in Test 2. Suggest a reason why. [1 mark]
1.3) Give one conclusion that can be made from the results in Table 1. [1 mark]
1.4) Suggest further evidence that you could collect to support your conclusion. [1 mark]
Reaction time is important at the start of a race.
Table 2 shows the time taken by a boy to run different distances.
1.5) Reaction time is more important in a 100 m race than in an 800 m race.
Explain why. [2 marks]
Two girls, A and B, ran an 800 m race.
Figure 1 shows how the distance changed with time.
Explain why. [2 marks]
Two girls, A and B, ran an 800 m race.
Figure 1 shows how the distance changed with time.
1.6) Compare the motion of runners A and B.
Include data from Figure 11. [6 marks]
1.7) Use Figure 1 to determine Girl B’s speed at 60 s.
Show how you use the graph to obtain your answer. [3 marks]
Include data from Figure 11. [6 marks]
1.7) Use Figure 1 to determine Girl B’s speed at 60 s.
Show how you use the graph to obtain your answer. [3 marks]
Speed = __________ m/s
(Total for Question 1 = 15 marks)