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CBSE Class 9 Answered

Two trains A and B start moving at the same time. The distance travelled by them in given intervals of time are given below.  Plot the Distance- time graph for the motion of two trains. State which train has uniform motion and which train has non- Uniform motion. Also Plot Speed- time graph after calculating the speed of the two trains at different time intervals.
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Asked by prajitvip | 08 Jun, 2020, 06:03: PM
answered-by-expert Expert Answer
 
 
 
 
From graph, it is clear that train A is in uniform motion 
 
 
 
From above graph, we can say that train B is in non -uniform motion. 
 
Speed - tim egraph of train A shows that it moves with constant speed i.e. 40 km/h 
 
 
 
Speed - time graph for train B is as follows: -  
 
Answered by Shiwani Sawant | 10 Jun, 2020, 04:34: PM

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