Question

14. The diagram shows some people are waiting in a queue at a supermarket. The queue moves
forward each time a person leaves the checkout. Person X spends seven minutes in the
queue before reaching the checkout The graph shows how distance changes with time for
person X
person X
checkout
Distance (m)
8
7
6
5
4
3
2
1
0
1
6
7
8
2 3 4 5
Time (6)
What is the initial length of the queue?
a
b.
C.
b
Explain how you could use the graph to work out the number of times person X is
stationary
d.
V. Dif
ques
C
State the equation linking average speed, distance moved and time taken.
16.
Dist
d. calculate the average speed of person X in the queue. also, mention the units of each entity​

Answer 1

Answer:

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