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aditya bhardwaj Grade: 11
        

please tell me if the body initial velocity is zero then s=ut + 1/2at^2 i find that time =under root 2s/a but we know that v=s/t and a=v/t then from these two equation time=under root s/a please explainme why the result is different in both the cases

6 years ago

Answers : (1)

animesh sinha
15 Points
										

here, there is a problem with concepts.


s=ut+1/2att


u=0


so,t=under root 2s/a


a=v/t


till here everything is fine.


v=s/t


here, v=average velocity


this v is not equal to v used above


v used above=instantaneous velocity


Hope u got ur answer


 

6 years ago
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