question_answer

Mehakwas moving through the city roads towards her school by a car. She recorded the odometer reading of the car after every five minutes and plotted a graph for distance versus time. She then inferred about the type of motion and found average speed from the graph. (i) Which qualities of Mehak are worth mentioning? (ii) What type of motion would she have inferred?                               (iii) How is average speed calculated from the graph?

Answer:

                                                                  (i) Mehak is practical, alert and skillful. (ii) She inferred non-uniform motion. (iii) Average speed = Slope of graph from initial time to final time interval