Here is a speed-time graph for a shuttle journey between two stations. The journey took 100 seconds.
15-
10
a) Calculate the time, in seconds, taken by
the shuttle to travel half the distance
between the two stations.
You must show all your working.
Speed (m/s)
20
40
60
80
100
Time (s)
1
(4)
b) Which of the following statements is correct?
a
(1)
A - The acceleration is greater in the first part of the journey than in its last part.
B - The accelerations in the first part and last part of the journey are equal.
C - The acceleration is greater in the last part of the journey than in its first part.
Total marks: 5

What is the base of 1/9 to the power of 2

State if the two triangles are congruent. if they are, state how you know?

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?