Azhar fitted an electric toy car with hard rubber wheels that had deep treads and placed the car on a smooth, flat surface. Azhar started the car and a stopwatch at the same time. Azhar stopped the stopwatch as the car crossed the 75-foot mark. He calculated the results of 3 separate trials as shown in the table below. Procedure 1
Trial number
Time in seconds
1
8
2
2
3
5
Azhar repeated the procedure, except he fitted the car with soft rubber wheels that were smooth and lacked treads. The results are shown in the table below. Procedure 1
Trial number
Time in seconds
1
0
2
2
3
9
Q- Assuming the car in procedure 1 traveled at a constant speed, approximately how long would it take the car to travel 100 feet?
A 100 seconds
B 68.4 seconds
C 30.4 seconds
D 25 seconds
Solution
Correct Answer: Option C
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