The three graphs A, B and C are speed vs time graphs of three cars. (None that these are not distance-time graphs)

Identify the graphs from the clues.
1. Mr Nair is a gentle driver. He lets the car pick up speed slowly.
2. Ms Patnaik sometimes goes on a drive on an empty road. She enjoys cruising along at the same speed.
3. Ms Rushmore is a racing car driver. She has just started a race.

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Solution

1. As Mr. Nair let his car pick up speed slowly, the graph describing his motion would be graph B. Because in the graph B speed is rising slowly with increasing time.

2. As Ms. Patnaik drive the car with the same speed. Hence, the graph describing her motion would be graph A. Because, in graph A, the speed of the car does not change over time.

3. Graph C would perfectly describe the motion of Ms. Rushmore because he speeds up his car in a very short span of time. The same is shown in graph A.

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