A particle moving on a straight line covers one third of total distance with speed v and then reduces its speed by 2 m/s to cover the remaining distance. If the average speed for the whole journey is 4.5 m/s, then the value of v is :
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3
Answer:
6
Explanation:
Answered by
3
Answer: v = 6m/s or 0.5 m/s
Explanation:
Note : If the question would have asked to find the time taken as well, then the speed would be only 6 m/s.
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