9. If a passenger vehicle travels in a circular path at too high a speed, it can tip over. The image below shows a vehicle beginning to tip over. TESTOS A group of students investigated the speed at which a passenger vehicle will begin to tip over by using a remote- control toy car. The students drove the car around circular paths of various known radii, at such a speed that it was just starting to tip for each radius. They timed the period of the cars motion and used the period to calculate the 'tipping speed' (the speed at which the toy car begins to tip over) of the car. The graph below shows the data collected by the students:

College Physics
11th Edition
ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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9. If a passenger vehicle travels in a circular path at too high a speed, it can tip over. The image below
shows a vehicle beginning to tip over.
A group of students investigated the speed at which a passenger vehicle will begin to tip over by using a remote-
control toy car.
The students drove the car around circular paths of various known radii, at such a speed that it was just starting
to tip for each radius. They timed the period of the cars motion and used the period to calculate the 'tipping
speed' (the speed at which the toy car begins to tip over) of the car.
The graph below shows the data collected by the students:
Speed at which toy car begins to tip over (m s'¹')
14
12
10
8
TESTO
0
2
3
Radius (m)
5
6
7
Page 11
Transcribed Image Text:9. If a passenger vehicle travels in a circular path at too high a speed, it can tip over. The image below shows a vehicle beginning to tip over. A group of students investigated the speed at which a passenger vehicle will begin to tip over by using a remote- control toy car. The students drove the car around circular paths of various known radii, at such a speed that it was just starting to tip for each radius. They timed the period of the cars motion and used the period to calculate the 'tipping speed' (the speed at which the toy car begins to tip over) of the car. The graph below shows the data collected by the students: Speed at which toy car begins to tip over (m s'¹') 14 12 10 8 TESTO 0 2 3 Radius (m) 5 6 7 Page 11
The students hypothesised that the speed at which the remote-control toy car would begin to tip would be
directly proportional to the radius of its path.
(a) Using the graph on the previous page, state whether or not the results support the students' hypothesis.
Justify your answer.
(b) Some people think that using a remote-control toy car for this investigation is an appropriate choice. Other
people think that it is an inappropriate choice. Justify one of these opinions.
Transcribed Image Text:The students hypothesised that the speed at which the remote-control toy car would begin to tip would be directly proportional to the radius of its path. (a) Using the graph on the previous page, state whether or not the results support the students' hypothesis. Justify your answer. (b) Some people think that using a remote-control toy car for this investigation is an appropriate choice. Other people think that it is an inappropriate choice. Justify one of these opinions.
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