Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 4)
1
If an object's speed is decreasing, what type of slope will be shown on a speed-time graph?
2
What is being shown on page 228, question 3?
Antwoord(C)
Calculating distance travelled
3
What is the name for negative acceleration?
4
What are the essential characteristics of a conversion graph?
5
What calculation is required to find the distance travelled from a speed-time graph?
Antwoord(C)
Calculating the area under the curve
6
What is the relationship between the distance travelled and the area under a speed-time graph?
7
For the graph on the lower part of page 228 (from OCR), what does the speed of the car in the graph indicate?
8
What is the distance covered by an object moving at a constant speed represented by on a speed-time graph?
9
How can you calculate speed from a distance-time graph?
Antwoord(B)
Find the slope of the line
10
What is the acceleration of a car when it travels at a constant speed of 20 m/s?
11
What does a steeper slope on a distance-time graph indicate in comparison to a shallower slope?
12
Which graph would you consult to understand how far an object has travelled over a certain period?
13
What does a downward curving speed-time graph indicate about acceleration?
14
What type of acceleration does a car have if it's speeding up at a constant rate?
15
Which of the following are uses for a conversion graph?
16
Which axis typically represents time on a travel graph?
17
What do the horizontal lines in the speed-time graph mean?
18
How can you find the distance traveled during a period of constant acceleration?
Antwoord(A)
Use the area under the speed-time graph
19
Which graph is used to show how an object's position changes over time?
20
How can the total distance traveled be determined from a speed-time graph?
Antwoord(B)
The area under the graph.
21
What does the area under a speed-time graph represent?
22
What is the direction of the motion when the line on a distance-time graph is sloping downwards?
Antwoord(B)
Towards the starting point.
23
What does a negative gradient on a speed-time graph represent?
24
What do the graphs show about the objects' movement?
25
If a person walks at a constant speed of 2 meters per second, how will the distance-time graph appear?
Antwoord(B)
A straight line with a positive gradient
26
What does a curved line on a distance-time graph suggest about an object's motion?
27
What does the slope of the speed-time graph represent?
28
If an object's speed increases over time, how does the speed-time graph look?
Antwoord(B)
A straight line with a positive slope
29
The speed-time graph shows the first 30s of a car's journey. What is the speed of the car after 15 seconds?
30
What is the formula to find the acceleration?
Antwoord(A)
Change in speed / Change in time
31
If the gradient of a speed-time graph is zero, what does this imply about the object's motion?
Antwoord(B)
The object is moving at a constant speed.
32
Which properties can be described using a speed-time graph?
33
What is the relationship between the rate of change of speed and the speed-time graph?
Antwoord(B)
The rate of change of speed is the gradient of the graph.
34
What does a straight line on a speed-time graph, sloping downwards, represent?
35
What is the meaning of a horizontal segment on a distance-time graph?
36
What is the relationship between acceleration and the gradient of a speed-time graph?
Antwoord(A)
Acceleration is the gradient.
37
A cyclist travels 20 meters in 4 seconds. What is the cyclist's speed?
38
What is the physical meaning of a negative value for the gradient on a speed-time graph?
39
What quantity is calculated by finding the area beneath the curve on a speed-time graph?
40
What do the straight line segments represent on the journey graph?
41
Which parts of a speed-time graph can be used to calculate the total distance travelled?
42
What is the key relationship between speed, time, and distance traveled when speed is constant?
43
What can be found by analyzing a speed-time graph?
44
For the graph on page 228, Question 3, what is the acceleration?
45
What would the speed-time graph look like for an object moving at a constant velocity?
46
Which elements can be calculated using a speed-time graph?
47
What type of graph is primarily used to show how the distance of an object changes over time?
48
Which of the following is true about a travel graph?
49
If a car is at rest, what would its distance-time graph look like?
50
What does a straight line with a positive slope on a speed-time graph represent?
