A particle moving in a straight line covers half the distance with speed of 3 m/s . The other half of the distance is covered in two equal time intervals with speed of 4.5 m/s and 7.5 m/s respectively. The average speed of the particle during this motion is
Text Solution
Verified by ExpertsThe correct answer is:
A
If 
and 
are the time taken by particle to cover first and second half distance respectively.
…(i)
and 
So, 
…(ii)
Total time 
So, average speed 
.
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