Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 3)
1
What type of graph should be used to show a journey?
2
What do you call the rate of change of speed?
3
What is the speed of an object if it is at rest?
4
What do the units of area under a speed-time graph represent?
5
What does a curved line on a speed-time graph indicate?
6
What does the area under a speed-time graph represent?
7
Which of the following is an example of deceleration?
8
What does the term "deceleration" mean?
9
What information does the slope (gradient) of a distance-time graph provide?
10
What is represented by the slope of a speed-time graph?
11
If the speed-time graph is a straight line, what does it suggest about the acceleration?
12
What does a downward slope on a speed-time graph represent?
13
If a train is slowing down, which term best describes its motion?
14
What is shown on the horizontal axis of a distance-time graph?
15
Which of the following is/are key points mentioned in the provided text?
16
Which of the following is true about a speed-time graph that curves upwards?
отговор(C)
The object's acceleration is increasing.
17
If the speed of an object is increasing uniformly, what will the shape of its speed-time graph be?
отговор(B)
A straight line with a positive slope.
18
What is the correct formula to calculate the gradient in a speed-time graph?
отговор(B)
Gradient = change in speed / change in time
19
What is the unit of measurement for acceleration if speed is measured in meters per second (m/s) and time in seconds (s)?
20
What is a key feature of a conversion graph used for calculating the value of different currencies?
отговор(B)
A straight line indicating a constant exchange rate.
21
What is the main relationship shown by a speed-time graph?
22
What information is plotted on the axes of a travel graph?
23
Which of the following can be determined by examining a travel graph?
24
What type of relationship is illustrated by a straight line on a conversion graph?
25
What does a speed-time graph show?
26
If the distance traveled is 600 meters and the time taken is 20 seconds. Find the speed.
27
If the speed-time graph has a straight line with a positive slope, what is happening?
28
In a speed-time graph, what does the value on the y-axis represent?
29
If an object's motion results in a curved line on a distance-time graph, which statement best describes its motion?
отговор(B)
The object is accelerating.
30
Which of the following can be determined from a speed-time graph?
31
If a conversion graph yields a curved line, what does this imply about the relationship between the units?
отговор(C)
A non-linear relationship
32
On a travel graph, what does a horizontal line represent?
33
Which units will we get if you multiply speed by time?
34
In the context of a conversion graph, if the gradient is greater than 1, what does this indicate about the conversion rate?
отговор(C)
The conversion rate is greater than 1.
35
Which of the following statements about speed-time graphs is/are correct?
36
How do you find the distance traveled during a period of constant speed on a speed-time graph?
отговор(B)
Find the area of the rectangle formed
37
What is the main purpose of a travel graph?
38
How is speed calculated from a distance-time graph?
39
If the gradient of the distance-time graph increases, what does this mean?
отговор(B)
The object is speeding up.
40
What is the method to estimate the acceleration of an object at a given time?
отговор(B)
Determine the gradient of the tangent to the curve at that point.
41
If a speed-time graph is a horizontal line, what does this indicate about the object's acceleration?
42
What represents the rate of change in speed?
43
What does a horizontal line on a speed-time graph indicate about the object's motion?
44
If an object is accelerating, what will the line on a speed-time graph look like?
отговор(B)
A straight line with a non-zero slope
45
Which of these aspects can be derived from a speed-time graph?
46
Which type of graph is most helpful in understanding how quickly an object’s speed changes over time?
47
What information can you determine from a speed-time graph about an object's journey?
48
What can be represented on a travel graph?
49
What does the area under the speed-time graph represent?
50
If a car is travelling at 30 m/s and then decelerates, which of these elements will change?
отговор(D)
The rate of acceleration.
