O-LevelPhysicsKinematics5054/21 · May/June 2019 · Q15 Marks
Fig. 1.1 shows the distance-time graph for a journey made by a cyclist between town A and town B. [Figure 1.1] The cyclist leaves town A at time t = 0 and arrives at town B at t = 4.0 hours.
- (a)(i)Determine the distance between the two towns.[1]
- (a)(ii)Determine the time for which the cyclist rests during the journey, before he reaches town B.[1]
- (b)The speed of the cyclist near the end of the journey is greater than the speed at the beginning. State how the graph shows this.[1]
- (c)Calculate the average speed of the cyclist for the journey from A to B.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2019). The mark or mark type is shown in brackets.
- [1] 58 km
- [1] 0.8(0) hr or 48 min
- [1] steep(er) / larg(er) slope / gradient or travels a larger distance in the same / unit time or takes a shorter time to travel the same distance or covers more distance in less time
- [1] (s =) d / t numerical or algebraic; 58/4
- [1] 15 km/hr
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