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Grade: 12th pass
        
A particle starts with initial velocity u and retradation a it will reach the point of start in time
 
7 months ago

Answers : (1)

Arun
21556 Points
							
For reaching start again
s=0 
so by motion equation
 
thus t=0 or 2u/a (JUST SOLVE ABOVE EQUATION)
Obviously one solution for t is 0 as at t=0 object is at starting point.
So the next time it will be again at the starting point will be after time=2u/a 
Thus required answer is 2u/a
 
7 months ago
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