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- 1. Multiple Choice
A cyclist travelling at a speed of 4.2 m s-1 accelerates at 1.1 m s-2. In a time of 7.4 s, the distance travelled is
30 m
35 m
61 m
91 m
- 2. Multiple Choice
A freely falling object on Earth has a speed of 5.0 m s-1. After falling a further 20 m, its speed it
15 m s-1
20 m s-1
25 m s-1
45 m s-1
- 3. Multiple Choice
A bus is travelling at a speed of 9.0 m s-1. It then accelerates at a rate of 0.75 m s-2 for a time of 8.0 s. What therefore is its final speed?
6.0 m s-1
15 m s-1
17 m s-1
21 m s-1
- 4. Multiple Choice
The acceleration of free fall on a certain planet is 8.0 m s-2. An object gets dropped from a height and hits the ground after 1.5 s. From what height must the object have been dropped?
6.0 m
9.0 m
11 m
12 m
- 5. Multiple Choice
A ball is dropped from rest from a building 35.0 m high. If air resistance is neglected, then the ball will hit the ground with a speed of
8.4 m s-1
13.1 m s-1
18.5 m s-1
26.2 m s-1
- 6. Multiple Choice
A student is asked to solve the following problem:
An object is thrown upwards with a speed of 25 m s-1. How high will it be when the speed is 12 m s-1 ?
Which equation will allow the problem to be solved in a SINGLE calculation?
- 7. Multiple Choice
A marble is dropped from the roof of a building and takes 3.2 s to reach the ground.
The approximate height of the building is
16 m
31 m
50 m
100 m
- 8. Multiple Choice
A girl dropped a stone into an empty well. She heard the sound of the stone hitting the bottom of the well after 4 seconds.
The depth of the well is about
20 m
40 m
80 m
160 m
- 9. Multiple Choice
THINK CAREFULLY ABOUT THIS ONE. DRAW A DIAGRAM TO HELP YOU..!
A building has 5 floors. The windows on successive floors are separated by the same vertical distance. A brick is dropped from a window on each floor at the same time. The bricks should hit the ground at
decreasing time intervals
equal time intervals
increasing time intervals
the same time
- 10. Multiple Choice
The acceleration due to gravity on Mars is 3.7 m s-2.
If an object on Mars is launched vertically upwards with an initial speed of 40 m s-1, its speed after 3.0 s will be
11 m s-1
29 m s-1
36 m s-1
51 m s-1
- 11. Multiple Choice
FOR THIS ONE, REMEMBER WHAT YOU DID IN THE TASTER SESSIONS! ALSO, TAKE A NOTE OF THE INFO GIVEN IN THIS QUESTION AS YOU WILL NEED IT FOR THE NEXT QUESTION.
A student carries out an experiment to calculate the acceleration due to gravity, g, on Earth. A marble is dropped from a height of 2.0 m and the time taken for the marble to reach the floor is recorded.
The following readings were obtained:
0.55 s 0.57 s 0.49 s 0.56 s
Which of the following times should the student use to determine their value for g?
0.54 s
0.55 s
0.56 s
0.57 s
- 12. Multiple Choice
With reference to the previous experiment, select the equation that would, by itself, enable the student to calculate a value for g.
- 13. Multiple Choice
A lunar landing module is descending to the Moon’s surface at a steady velocity of 10.0 m s-1. At a height of 120 m a small object falls from its landing gear. Assuming that the Moon’s gravitational acceleration is 1.60 m s-2, at what speed, in m s-1 does the object strike the Moon?
22.0
19.6
16.8
10.0
- 14. Multiple Choice
THIS ONE TAKES MORE TIME THAN YOU MIGHT INITIALLY THINK. READ IT CAREFULLY!
An object is dropped from a cliff. How far does the object fall in the third second? Assume that g = 10 m s-2 (HINT: Remember that the initial speed of the object is 0 m s-1)
10 m
20 m
25 m
45 m
- 15. Multiple Choice
ANOTHER ONE TO MAKE YOU THINK PRACTICALLY:
The winner of a 400 m race must have the greatest
acceleration.
average speed.
instantaneous speed.
maximum speed.
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