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Question
Four cars A, B, C and D are moving on a levelled, straight road. Their distance-time graphs are shown in the given figure. Which of the following is the correct statement regarding the motion of these cars?
Options
car A is faster than car D
car B is the slowest
car D is faster than the car C
car C is the slowest
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Solution
The slope of distance time graph gives the speed or the measure of rate of change of distance per unit time. So, the answer is,
(b) Car B is the slowest
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The graph given in figure is true for
Distance between Bholu’s and Golu’s house is 9 km. Bholu has to attend Golu’s birthday party at 7 o’clock. He started from his home at 6 o’clock on his bicycle and covered a distance of 6 km in 40 minutes. At that point, he met Chintu and he spoke to him for 5 minutes and reached Golu’s birthday party at 7 o’clock. With what speed did he cover the second part of the journey? Calculate his average speed for the entire journey.
The slope of the distance-time graph indicates the speed.
