A car accelerates uniformly from rest along a straight road. Which graph shows the variation of
1 displacement x of the car with time t?
A B C D
A
B
C
D
(Total 1 mark)
A girl jogs at 2.0 m s–1 in a straight line for 30 seconds, turns around and returns to her starting
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point 20 seconds later.
What is her average velocity and average speed?
Average velocity/m s–1 Average speed/m s–1
A 0 m s−1 2.4 m s−1
B 0 m s−1 2.5 m s−1
C 1.0 m s−1 2.0 m s−1
D 2.5 m s−1 2.5 m s−1
(Total 1 mark)
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The velocity–time graph for a falling object is shown.
3
Which of the following shows the corresponding acceleration–time graph?
A
B
C
D
(Total 1 mark)
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An object is dropped from a cliff. How far does the object fall in the third second?
4
Assume that g = 10 m s–2.
A 10 m
B 20 m
C 25 m
D 45 m
(Total 1 mark)
A perfectly elastic rubber ball falls vertically from rest and rebounds from the floor. Which one of
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the following velocity-time, v–t, graphs best represents the motion from the moment of release to
the top of the first rebound?
(Total 1 mark)
A lunar landing module is descending to the Moon’s surface at a steady velocity of 10.0 m s –1. At
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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?
A 22.0
B 19.6
C 16.8
D 10.0
(Total 1 mark)
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