IV. Do yourself : Project: Travel on a motor vehicle with your father to market or any other place and observe the changes in speedometer reading. Note the exact time when you started from home and observe speedometer reading carefully and note it and the corresponding time in the table. Some examples are given in the table. Speedometer reading (speed) Corresponding time (time) 0 Starts at home at 9.10 am 20 9.15am 30 9.20am CE Observe the following and write the answers for the following questions based on your observations : 1. Does the speed of the vehicle remain the same throughout the journey ? NO 2. If not, what can you say about the speed of the vehicle during the journey?
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This question can be understood easily if you just consider a simple example. Let's say speed was initially 20 m/s, and then it became 30 m/s, and finally, it was at 40 m/s. The average of these speeds is 30 m/s. But the maximum speed is greater than the average speed. The concept of an average state is that the average value will always lie within the maximum value and minimum value.
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